Isbn: 9787810723114 (1 resultados)

paperback. Condición: New. Paperback Pages Number: 208 Language: Chinese. Old-age care is gradually on the rise in recent years. a professional services work. With the continuous development of science and technology. society. economy. culture. people's living standards and health and disease control the level of continuous improvement of the age of the population occurred structural changes. in particular. the average life expectancy of the population. senior citizens. the elderly. social service needs continue to inc.…