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

Manylion Llyfryddiaeth
Awdur Corfforaethol:	Unesco
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	Paris Unesco Press 1975-
Pynciau:	Human biology > Study and teaching (Secondary). Human ecology > Study and teaching (Secondary). Population > Study and teaching (Secondary). Biology > Study and teaching (Secondary).