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

Bibliografische gegevens
Hoofdauteur:	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)