Akoroda, M O Arene, O B Terry, E R <br/><br/>
Tropical root crops  Root crops and the African food crisis 
 Triennial symposium of the international society for tropical root crops - Africa branch held in owerri, Nigeria Aug 17-23, 1986 3 

 - Ottawa  IDRC  1987 
 - ix, 197p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture<br/>Root crops - Africa