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

Sonraí bibleagrafaíochta
Údar corparáideach:	Unesco
Formáid:	LEABHAR
Teanga:	English
Foilsithe / Cruthaithe:	Paris Unesco Press 1975-
Ábhair:	Human biology > Study and teaching (Secondary). Human ecology > Study and teaching (Secondary). Population > Study and teaching (Secondary). Biology > Study and teaching (Secondary).