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

Bibliografische gegevens
Coauteur:	Unesco
Formaat:	Boek
Taal:	English
Gepubliceerd in:	Paris Unesco Press 1975-
Onderwerpen:	Human biology > Study and teaching (Secondary). Human ecology > Study and teaching (Secondary). Population > Study and teaching (Secondary). Biology > Study and teaching (Secondary).