Idioma: Inglés
Publicado por P&O, UK, 1982
Librería: Bob Vinnicombe, SEFTON, NSW, Australia
Original o primera edición
EUR 7,83
Cantidad disponible: 1 disponibles
Añadir al carritoSoft cover. Condición: Very Good. 1st Edition. 191 pages With colour & b/w photos. Front endpaper clipped o/w good condition no inscr. Falklands war exploits.
Librería: ThriftBooks-Dallas, Dallas, TX, Estados Unidos de America
EUR 58,60
Cantidad disponible: 1 disponibles
Añadir al carritoPaperback. Condición: Good. No Jacket. Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less.
Librería: Textbooks_Source, Columbia, MO, Estados Unidos de America
Original o primera edición
EUR 56,47
Cantidad disponible: 3 disponibles
Añadir al carritopaperback. Condición: Good. 1st Edition. Ships in a BOX from Central Missouri! May not include working access code. Will not include dust jacket. Has used sticker(s) and some writing or highlighting. UPS shipping for most packages, (Priority Mail for AK/HI/APO/PO Boxes).
Idioma: Inglés
Publicado por Lippincott Williams & Wilkins, 2014
ISBN 10: 145118879X ISBN 13: 9781451188790
Librería: Better World Books: West, Reno, NV, Estados Unidos de America
EUR 67,85
Cantidad disponible: 1 disponibles
Añadir al carritoCondición: Very Good. Pages intact with possible writing/highlighting. Binding strong with minor wear. Dust jackets/supplements may not be included. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good.
Librería: GreatBookPrices, Columbia, MD, Estados Unidos de America
EUR 163,23
Cantidad disponible: 7 disponibles
Añadir al carritoCondición: New.
Librería: Textbooks_Source, Columbia, MO, Estados Unidos de America
EUR 162,02
Cantidad disponible: 16 disponibles
Añadir al carritopaperback. Condición: New. Second, North American. Ships in a BOX from Central Missouri! UPS shipping for most packages, (Priority Mail for AK/HI/APO/PO Boxes).
Librería: GoldBooks, Denver, CO, Estados Unidos de America
EUR 168,54
Cantidad disponible: 1 disponibles
Añadir al carritoPaperback. Condición: new. New Copy. Customer Service Guaranteed.
Idioma: Inglés
Publicado por Lippincott Williams & Wilkins, 2014
ISBN 10: 145118879X ISBN 13: 9781451188790
Librería: Books Puddle, New York, NY, Estados Unidos de America
EUR 173,32
Cantidad disponible: 1 disponibles
Añadir al carritoCondición: New.
EUR 169,27
Cantidad disponible: 1 disponibles
Añadir al carritoPAP. Condición: New. New Book. Shipped from UK. Established seller since 2000.
Librería: GreatBookPrices, Columbia, MD, Estados Unidos de America
EUR 189,75
Cantidad disponible: 7 disponibles
Añadir al carritoCondición: As New. Unread book in perfect condition.
Idioma: Inglés
Publicado por Wolters Kluwer Health 2022-05-05, 2022
ISBN 10: 1975173740 ISBN 13: 9781975173746
Librería: Chiron Media, Wallingford, Reino Unido
EUR 177,64
Cantidad disponible: 1 disponibles
Añadir al carritoPaperback. Condición: New.
Librería: Grand Eagle Retail, Bensenville, IL, Estados Unidos de America
EUR 199,50
Cantidad disponible: 1 disponibles
Añadir al carritoPaperback. Condición: new. Paperback. Raise your simulation programs to new heights with the fully updated Defining Excellence in Simulation Programs, 2nd edition. An official publication of the Society for Simulation in Healthcare, this fully illustrated guide speaks to the needs of all healthcare professionals using simulation for education, assessment, and research. Offering best practices for a wide variety of programs, it addresses all areas of program management, from staffing, funding, and equipment, to education models. Whether you are new to running a simulation program, developing a program, or studying simulation, this is your key to creating cost-effective, research-based programs. Improve your simulation program with this definitive guide. This edition offers: NEW content on International Nursing Association for Clinical Simulation (INACSL) and Association of Standardized Patient Educators (ASPE) standards of practice 17 new chapters, with content reorganized to better align with certification exam blueprintsA fully illustrated, comprehensive framework for all operational aspects of simulation programsSections that address: Standards of Practice SSH, INACSL, and ASPE standards, technology standards, ethics, and moreSimulation Modalities History of modern-day mannequins; mannequin terminology, selection, and usage; and standardized patient/participant Simulation Methods In situ, mobile, hybrid, and table top simulation; and the continuum of care Management Creating the infrastructure for a successful program, business needs and assets management, policies and procedures, and strategic plansFunding Sources of revenue, program budgets, business plans, and fee structuresEnvironmental Design Building a simulation center, technical infrastructure, and moreEducational and Content Development Educator training and simulation methodology courses, assessing learning needs, shared theories, and moreDelivery of Simulation Assessment in healthcare simulation, preparing the learner, management of the scenarios, and moreResearch Healthcare simulation research, institutional review board, and moreResources Terms of references, examples of studies, case and scenario development templates, and more Chapter features that include:Experts Corner Commentary on essential areas of training, research, and program development by simulation experts and foundersConsider This Practical how-tos on critical, related topicsExample and Case Study Boxes Added examples that support chapter content Terms of Reference Defines simulation terms and concepts About the Clinical Editors Juli C. Maxworthy, DNP, MSN, MBA, RN, CNL, CPHQ, CPPS, CHSE, FNAP, FSSH, is an Associate Professor at the University of San Francisco, School of Nursing and Health Professions, and President (2021) of the Society for Simulation in Healthcare. Chad A. Epps, MD, FSSH, was the Executive Director, Center for Healthcare Improvement and Patient Simulation (CHIPS) and Professor at the University of Tennessee Health Science Center, and Past President of The Society for Simulation in Healthcare. Yasuharu Okuda, MD, FACEP, FSSH, is Executive Director of the Center for Advanced Medical Learning and Simulation, CEO of USF Health Professions Conferencing Corporation, Associate Vice President, USF Health Office of Interprofessional Education a Shipping may be from multiple locations in the US or from the UK, depending on stock availability.
Librería: Kennys Bookshop and Art Galleries Ltd., Galway, GY, Irlanda
EUR 194,78
Cantidad disponible: 1 disponibles
Añadir al carritoCondición: New. 2022. Second, International. paperback. . . . . .
EUR 197,57
Cantidad disponible: 8 disponibles
Añadir al carritoCondición: As New. Unread book in perfect condition.
Librería: Grand Eagle Retail, Bensenville, IL, Estados Unidos de America
EUR 218,06
Cantidad disponible: 1 disponibles
Añadir al carritoPaperback. Condición: new. Paperback. Selected as a Doodys Core Title for 2025! Raise your simulation programs to new heights with the fully updated Defining Excellence in Simulation Programs, 2nd edition. An official publication of the Society for Simulation in Healthcare, this fully illustrated guide speaks to the needs of all healthcare professionals using simulation for education, assessment, and research. Offering best practices for a wide variety of programs, it addresses all areas of program management, from staffing, funding, and equipment, to education models. Whether you are new to running a simulation program, developing a program, or studying simulation, this is your key to creating cost-effective, research-based programs. Improve your simulation program with this definitive guide. This edition offers: NEW content on International Nursing Association for Clinical Simulation (INACSL) and Association of Standardized Patient Educators (ASPE) standards of practice 17 new chapters, with content reorganized to better align with certification exam blueprints A fully illustrated, comprehensive framework for all operational aspects of simulation programs Sections that address:Standards of Practice SSH, INACSL, and ASPE standards, technology standards, ethics, and more Simulation Modalities History of modern-day mannequins; mannequin terminology, selection, and usage; and standardized patient/participant Simulation Methods In situ, mobile, hybrid, and tabletop simulation; and the continuum of care Management Creating the infrastructure for a successful program, business needs and assets management, policies and procedures, and strategic plans Funding Sources of revenue, program budgets, business plans, and fee structures Environmental Design Building a simulation center, technical infrastructure, and more Educational and Content Development Educator training and simulation methodology courses, assessing learning needs, shared theories, and more Delivery of Simulation Assessment in healthcare simulation, preparing the learner, management of the scenarios, and more Research Healthcare simulation research, institutional review board, and more Resources Terms of references, examples of studies, case and scenario development templates, and more Chapter features include: Experts Corner Commentary on essential areas of training, research, and program development by simulation experts and founders Consider This Practical how-tos on critical, related topics Example and Case Study Boxes Added examples that support chapter content Terms of Reference Defines simulation terms and concepts About the Clinical Editors Juli C. Maxworthy, DNP, MSN, MBA, RN, CNL, CPHQ, CPPS, CHSE, FNAP, FSSH, is an Associate Professor at the University of San Francisco, School of Nursing and Health Professions, and President (2021) of the Society for Simulation in Healthcare. Chad A. Epps, MD, FSSH, was the Executive Director, Center for Healthcare Improvement and Patient Simulation (CHIPS) and Professor at the University of Tennessee Health Science Center, and Past President of The Society for Simulation in Healthcare. Yasuharu Okuda, MD, FACEP, FSSH, is Executive Director of the Center for Advanced Medical Learning and Simulation, CEO of USF Health Professions Conferencing Corporation, Associate Vice President, USF Health Offic Shipping may be from multiple locations in the US or from the UK, depending on stock availability.
EUR 184,19
Cantidad disponible: 1 disponibles
Añadir al carritoPaperback. Condición: new. Paperback. Raise your simulation programs to new heights with the fully updated Defining Excellence in Simulation Programs, 2nd edition. An official publication of the Society for Simulation in Healthcare, this fully illustrated guide speaks to the needs of all healthcare professionals using simulation for education, assessment, and research. Offering best practices for a wide variety of programs, it addresses all areas of program management, from staffing, funding, and equipment, to education models. Whether you are new to running a simulation program, developing a program, or studying simulation, this is your key to creating cost-effective, research-based programs. Improve your simulation program with this definitive guide. This edition offers: NEW content on International Nursing Association for Clinical Simulation (INACSL) and Association of Standardized Patient Educators (ASPE) standards of practice 17 new chapters, with content reorganized to better align with certification exam blueprintsA fully illustrated, comprehensive framework for all operational aspects of simulation programsSections that address: Standards of Practice SSH, INACSL, and ASPE standards, technology standards, ethics, and moreSimulation Modalities History of modern-day mannequins; mannequin terminology, selection, and usage; and standardized patient/participant Simulation Methods In situ, mobile, hybrid, and table top simulation; and the continuum of care Management Creating the infrastructure for a successful program, business needs and assets management, policies and procedures, and strategic plansFunding Sources of revenue, program budgets, business plans, and fee structuresEnvironmental Design Building a simulation center, technical infrastructure, and moreEducational and Content Development Educator training and simulation methodology courses, assessing learning needs, shared theories, and moreDelivery of Simulation Assessment in healthcare simulation, preparing the learner, management of the scenarios, and moreResearch Healthcare simulation research, institutional review board, and moreResources Terms of references, examples of studies, case and scenario development templates, and more Chapter features that include:Experts Corner Commentary on essential areas of training, research, and program development by simulation experts and foundersConsider This Practical how-tos on critical, related topicsExample and Case Study Boxes Added examples that support chapter content Terms of Reference Defines simulation terms and concepts About the Clinical Editors Juli C. Maxworthy, DNP, MSN, MBA, RN, CNL, CPHQ, CPPS, CHSE, FNAP, FSSH, is an Associate Professor at the University of San Francisco, School of Nursing and Health Professions, and President (2021) of the Society for Simulation in Healthcare. Chad A. Epps, MD, FSSH, was the Executive Director, Center for Healthcare Improvement and Patient Simulation (CHIPS) and Professor at the University of Tennessee Health Science Center, and Past President of The Society for Simulation in Healthcare. Yasuharu Okuda, MD, FACEP, FSSH, is Executive Director of the Center for Advanced Medical Learning and Simulation, CEO of USF Health Professions Conferencing Corporation, Associate Vice President, USF Health Office of Interprofessiona Shipping may be from our UK warehouse or from our Australian or US warehouses, depending on stock availability.
Librería: Revaluation Books, Exeter, Reino Unido
EUR 224,61
Cantidad disponible: 1 disponibles
Añadir al carritoPaperback. Condición: Brand New. second, international edition. 864 pages. 10.87x8.43x1.22 inches. In Stock.
Librería: Kennys Bookshop and Art Galleries Ltd., Galway, GY, Irlanda
EUR 234,54
Cantidad disponible: 2 disponibles
Añadir al carritoCondición: New. 2022. Paperback. . . . . .
EUR 234,09
Cantidad disponible: 8 disponibles
Añadir al carritoCondición: New.
Librería: Kennys Bookstore, Olney, MD, Estados Unidos de America
EUR 251,69
Cantidad disponible: 1 disponibles
Añadir al carritoCondición: New. 2022. Second, International. paperback. . . . . . Books ship from the US and Ireland.
Idioma: Inglés
Publicado por LWW IE EXCLUSIVE NP (), 2023
ISBN 10: 1975173740 ISBN 13: 9781975173746
Librería: UK BOOKS STORE, London, LONDO, Reino Unido
EUR 264,82
Cantidad disponible: 5 disponibles
Añadir al carritoCondición: New. Brand New! Fast Delivery This is an International Edition and ship within 24-48 hours. Deliver by FedEx and Dhl, & Aramex, UPS, & USPS and we do accept APO and PO BOX Addresses. Order can be delivered worldwide within 6-10 days and we do have flat rate for up to 2LB. Extra shipping charges will be requested if the Book weight is more than 5 LB. This Item May be shipped from India, United states & United Kingdom. Depending on your location and availability.
Idioma: Inglés
Publicado por Wolters Kluwer Health Aug 2022, 2022
ISBN 10: 1975173740 ISBN 13: 9781975173746
Librería: AHA-BUCH GmbH, Einbeck, Alemania
EUR 198,35
Cantidad disponible: 2 disponibles
Añadir al carritoTaschenbuch. Condición: Neu. Neuware - Raise your simulation programs to new heights with the fully updatedDefining Excellence in Simulation Programs, 2nd edition. An official publication of the Society for Simulation in Healthcare, this fully illustrated guide speaks to the needs of all healthcare professionals using simulation for education, assessment, and research. Offering best practices for a wide variety of programs, it addresses all areas of program management, from staffing, funding, and equipment, to education models. Whether youare new to running a simulation program, developing a program, or studying simulation,this is your key to creating cost-effective, research-based programs.
EUR 208,95
Cantidad disponible: 1 disponibles
Añadir al carritoTaschenbuch. Condición: Neu. Defining Excellence in Simulation Programs | Juli C. Maxworthy (u. a.) | Taschenbuch | Kartoniert / Broschiert | Englisch | 2022 | Wolters Kluwer Health | EAN 9781975173746 | Verantwortliche Person für die EU: Libri GmbH, Europaallee 1, 36244 Bad Hersfeld, gpsr[at]libri[dot]de | Anbieter: preigu.
EUR 246,40
Cantidad disponible: 1 disponibles
Añadir al carritoPaperback. Condición: new. Paperback. Selected as a Doodys Core Title for 2025! Raise your simulation programs to new heights with the fully updated Defining Excellence in Simulation Programs, 2nd edition. An official publication of the Society for Simulation in Healthcare, this fully illustrated guide speaks to the needs of all healthcare professionals using simulation for education, assessment, and research. Offering best practices for a wide variety of programs, it addresses all areas of program management, from staffing, funding, and equipment, to education models. Whether you are new to running a simulation program, developing a program, or studying simulation, this is your key to creating cost-effective, research-based programs. Improve your simulation program with this definitive guide. This edition offers: NEW content on International Nursing Association for Clinical Simulation (INACSL) and Association of Standardized Patient Educators (ASPE) standards of practice 17 new chapters, with content reorganized to better align with certification exam blueprints A fully illustrated, comprehensive framework for all operational aspects of simulation programs Sections that address:Standards of Practice SSH, INACSL, and ASPE standards, technology standards, ethics, and more Simulation Modalities History of modern-day mannequins; mannequin terminology, selection, and usage; and standardized patient/participant Simulation Methods In situ, mobile, hybrid, and tabletop simulation; and the continuum of care Management Creating the infrastructure for a successful program, business needs and assets management, policies and procedures, and strategic plans Funding Sources of revenue, program budgets, business plans, and fee structures Environmental Design Building a simulation center, technical infrastructure, and more Educational and Content Development Educator training and simulation methodology courses, assessing learning needs, shared theories, and more Delivery of Simulation Assessment in healthcare simulation, preparing the learner, management of the scenarios, and more Research Healthcare simulation research, institutional review board, and more Resources Terms of references, examples of studies, case and scenario development templates, and more Chapter features include: Experts Corner Commentary on essential areas of training, research, and program development by simulation experts and founders Consider This Practical how-tos on critical, related topics Example and Case Study Boxes Added examples that support chapter content Terms of Reference Defines simulation terms and concepts About the Clinical Editors Juli C. Maxworthy, DNP, MSN, MBA, RN, CNL, CPHQ, CPPS, CHSE, FNAP, FSSH, is an Associate Professor at the University of San Francisco, School of Nursing and Health Professions, and President (2021) of the Society for Simulation in Healthcare. Chad A. Epps, MD, FSSH, was the Executive Director, Center for Healthcare Improvement and Patient Simulation (CHIPS) and Professor at the University of Tennessee Health Science Center, and Past President of The Society for Simulation in Healthcare. Yasuharu Okuda, MD, FACEP, FSSH, is Executive Director of the Center for Advanced Medical Learning and Simulation, CEO of USF Health Professions Conferencing Corporation, Associate Vice President, USF Shipping may be from our UK warehouse or from our Australian or US warehouses, depending on stock availability.
Idioma: Inglés
Publicado por LIPPINCOTT WILLIAMS & WILKINS, 2020
ISBN 10: 1975146468 ISBN 13: 9781975146467
Librería: moluna, Greven, Alemania
EUR 239,24
Cantidad disponible: 1 disponibles
Añadir al carritoKartoniert / Broschiert. Condición: New.
Librería: Kennys Bookstore, Olney, MD, Estados Unidos de America
EUR 299,71
Cantidad disponible: 2 disponibles
Añadir al carritoCondición: New. 2022. Paperback. . . . . . Books ship from the US and Ireland.
Librería: AussieBookSeller, Truganina, VIC, Australia
EUR 291,57
Cantidad disponible: 1 disponibles
Añadir al carritoPaperback. Condición: new. Paperback. Raise your simulation programs to new heights with the fully updated Defining Excellence in Simulation Programs, 2nd edition. An official publication of the Society for Simulation in Healthcare, this fully illustrated guide speaks to the needs of all healthcare professionals using simulation for education, assessment, and research. Offering best practices for a wide variety of programs, it addresses all areas of program management, from staffing, funding, and equipment, to education models. Whether you are new to running a simulation program, developing a program, or studying simulation, this is your key to creating cost-effective, research-based programs. Improve your simulation program with this definitive guide. This edition offers: NEW content on International Nursing Association for Clinical Simulation (INACSL) and Association of Standardized Patient Educators (ASPE) standards of practice 17 new chapters, with content reorganized to better align with certification exam blueprintsA fully illustrated, comprehensive framework for all operational aspects of simulation programsSections that address: Standards of Practice SSH, INACSL, and ASPE standards, technology standards, ethics, and moreSimulation Modalities History of modern-day mannequins; mannequin terminology, selection, and usage; and standardized patient/participant Simulation Methods In situ, mobile, hybrid, and table top simulation; and the continuum of care Management Creating the infrastructure for a successful program, business needs and assets management, policies and procedures, and strategic plansFunding Sources of revenue, program budgets, business plans, and fee structuresEnvironmental Design Building a simulation center, technical infrastructure, and moreEducational and Content Development Educator training and simulation methodology courses, assessing learning needs, shared theories, and moreDelivery of Simulation Assessment in healthcare simulation, preparing the learner, management of the scenarios, and moreResearch Healthcare simulation research, institutional review board, and moreResources Terms of references, examples of studies, case and scenario development templates, and more Chapter features that include:Experts Corner Commentary on essential areas of training, research, and program development by simulation experts and foundersConsider This Practical how-tos on critical, related topicsExample and Case Study Boxes Added examples that support chapter content Terms of Reference Defines simulation terms and concepts About the Clinical Editors Juli C. Maxworthy, DNP, MSN, MBA, RN, CNL, CPHQ, CPPS, CHSE, FNAP, FSSH, is an Associate Professor at the University of San Francisco, School of Nursing and Health Professions, and President (2021) of the Society for Simulation in Healthcare. Chad A. Epps, MD, FSSH, was the Executive Director, Center for Healthcare Improvement and Patient Simulation (CHIPS) and Professor at the University of Tennessee Health Science Center, and Past President of The Society for Simulation in Healthcare. Yasuharu Okuda, MD, FACEP, FSSH, is Executive Director of the Center for Advanced Medical Learning and Simulation, CEO of USF Health Professions Conferencing Corporation, Associate Vice President, USF Health Office of Interprofessiona Shipping may be from our Sydney, NSW warehouse or from our UK or US warehouse, depending on stock availability.
Idioma: Inglés
Publicado por Lippincott Williams & Wilkins, 2022
ISBN 10: 1975146468 ISBN 13: 9781975146467
Librería: Revaluation Books, Exeter, Reino Unido
EUR 323,31
Cantidad disponible: 1 disponibles
Añadir al carritoPaperback. Condición: Brand New. 2nd edition. 864 pages. 14.00x6.00x5.00 inches. In Stock.
Librería: AussieBookSeller, Truganina, VIC, Australia
EUR 359,89
Cantidad disponible: 1 disponibles
Añadir al carritoPaperback. Condición: new. Paperback. Selected as a Doodys Core Title for 2025! Raise your simulation programs to new heights with the fully updated Defining Excellence in Simulation Programs, 2nd edition. An official publication of the Society for Simulation in Healthcare, this fully illustrated guide speaks to the needs of all healthcare professionals using simulation for education, assessment, and research. Offering best practices for a wide variety of programs, it addresses all areas of program management, from staffing, funding, and equipment, to education models. Whether you are new to running a simulation program, developing a program, or studying simulation, this is your key to creating cost-effective, research-based programs. Improve your simulation program with this definitive guide. This edition offers: NEW content on International Nursing Association for Clinical Simulation (INACSL) and Association of Standardized Patient Educators (ASPE) standards of practice 17 new chapters, with content reorganized to better align with certification exam blueprints A fully illustrated, comprehensive framework for all operational aspects of simulation programs Sections that address:Standards of Practice SSH, INACSL, and ASPE standards, technology standards, ethics, and more Simulation Modalities History of modern-day mannequins; mannequin terminology, selection, and usage; and standardized patient/participant Simulation Methods In situ, mobile, hybrid, and tabletop simulation; and the continuum of care Management Creating the infrastructure for a successful program, business needs and assets management, policies and procedures, and strategic plans Funding Sources of revenue, program budgets, business plans, and fee structures Environmental Design Building a simulation center, technical infrastructure, and more Educational and Content Development Educator training and simulation methodology courses, assessing learning needs, shared theories, and more Delivery of Simulation Assessment in healthcare simulation, preparing the learner, management of the scenarios, and more Research Healthcare simulation research, institutional review board, and more Resources Terms of references, examples of studies, case and scenario development templates, and more Chapter features include: Experts Corner Commentary on essential areas of training, research, and program development by simulation experts and founders Consider This Practical how-tos on critical, related topics Example and Case Study Boxes Added examples that support chapter content Terms of Reference Defines simulation terms and concepts About the Clinical Editors Juli C. Maxworthy, DNP, MSN, MBA, RN, CNL, CPHQ, CPPS, CHSE, FNAP, FSSH, is an Associate Professor at the University of San Francisco, School of Nursing and Health Professions, and President (2021) of the Society for Simulation in Healthcare. Chad A. Epps, MD, FSSH, was the Executive Director, Center for Healthcare Improvement and Patient Simulation (CHIPS) and Professor at the University of Tennessee Health Science Center, and Past President of The Society for Simulation in Healthcare. Yasuharu Okuda, MD, FACEP, FSSH, is Executive Director of the Center for Advanced Medical Learning and Simulation, CEO of USF Health Professions Conferencing Corporation, Associate Vice President, USF Shipping may be from our Sydney, NSW warehouse or from our UK or US warehouse, depending on stock availability.
Idioma: Inglés
ISBN 10: 1975173740 ISBN 13: 9781975173746
Librería: Basi6 International, Irving, TX, Estados Unidos de America
EUR 143,74
Cantidad disponible: 1 disponibles
Añadir al carritoCondición: Brand New. New. US edition. Expediting shipping for all USA and Europe orders excluding PO Box. Excellent Customer Service.