Food, environment, and health a guide for primary school teachers

Библиографические подробности
Главный автор:	Williams, Trefor
Другие авторы:	Moon, Alysoun, Williams, Margaret
Формат:	‌
Язык:	English
Опубликовано:	Geneva World Health Organization c1990.
Предметы:	Developing countries. Environmental health. Health education (Elementary) Nutrition > Study and teaching. Teaching.