General History of Africa:  Methodology and African Prehistory / 
edited by J.Ki-Zerbo 
 - Paris :   Unesco,   1990. 
 - 349 p. 
 -  1 .
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>9231025848 (Pbk) 
<br/><br/><label>LC Class. No.: </label>DT20 GEN 1989