Teacher's study guide on the biology of human populations.

Библиографические подробности
Главный автор:	Unesco
Формат:	‌
Язык:	English
Опубликовано:	Paris Unesco Press 1975-
Предметы:	Human biology > Study and teaching (Secondary) Human ecology > Study and teaching (Secondary) Population > Study and teaching (Secondary) Biology > Study and teaching (Secondary)