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

التفاصيل البيبلوغرافية
مؤلف مشترك:	Unesco
التنسيق:	كتاب
اللغة:	English
منشور في:	Paris Unesco Press 1975-
الموضوعات:	Human biology > Study and teaching (Secondary). Human ecology > Study and teaching (Secondary). Population > Study and teaching (Secondary). Biology > Study and teaching (Secondary).