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

Bibliografiset tiedot
Päätekijä:	Unesco
Aineistotyyppi:	Kirja
Kieli:	English
Julkaistu:	Paris Unesco Press 1975-
Aiheet:	Human biology > Study and teaching (Secondary) Human ecology > Study and teaching (Secondary) Population > Study and teaching (Secondary) Biology > Study and teaching (Secondary)