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

গ্রন্থ-পঞ্জীর বিবরন
প্রধান লেখক:	Williams, Trefor
অন্যান্য লেখক:	Moon, Alysoun, Williams, Margaret
বিন্যাস:	গ্রন্থ
ভাষা:	English
প্রকাশিত:	Geneva World Health Organization 1990.
বিষয়গুলি:	Health education (Elementary) > Developing countries. Food > Study and teaching. Food > Safety measures > Developing countries. School children > Health and hygiene > Developing countries.