Africa's indigenous technology :  with particular reference to Nigeria/ 
edited by Okpoko Ikechukwu 
 - Ibadan  Wisdom  1999 
 - viii, 213p. :  Pbk. 
<br/><br/><label>ISBN: </label>9782823147 
<br/><br/><label>LC Class. No.: </label>TS183.A73 1999