Teacher's study guide on the biology of human populations 

 - Africa  The Unesco press  1975 
 - 454p. 
<br/><br/><label>ISBN: </label>9231012789 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology; Human Populations<br/>Science
<br/><br/><label>Dewey Class. No.: </label>574  / Un28t