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

Bibliografiset tiedot
Yhteisötekijä:	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).