Tropical root crops :  root crops and the African food crisis : proceedings of the Third Triennial Symposium of the International Society for Tropical Root Crops--Africa Branch held in Owerri, Nigeria, 17-23 August 1986 / 

 - Ottawa, Ont., Canada :  International Development Research Centre,  c1987. 
 - iv, 197 p. ;  25 cm. 
 - IDRC ; .
<br/><br/><label>ISBN: </label>0889364982 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Root crops<br/>Root crops<br/>Tropical crops<br/>Tropical crops<br/>Food supply
<br/><br/><label>Dewey Class. No.: </label>630 IDR 1987 C142 Co.