IIT <br/><br/>
Farming system program/ 
IIT 
 - Ibadan  International institute tropics agriculture  1985 
 - 1, 103 ILLUS  PBK 
<br/><br/><label>ISBN: </label>9781310073 
<br/><br/><label>LC Class. No.: </label>S 523.I54 1985