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

Podrobná bibliografie
Korporativní autor:	Unesco
Médium:	Kniha
Jazyk:	English
Vydáno:	Paris Unesco Press 1975-
Témata:	Human biology > Study and teaching (Secondary). Human ecology > Study and teaching (Secondary). Population > Study and teaching (Secondary). Biology > Study and teaching (Secondary).