Onwueme, I.C <br/><br/>
The tropical tuber crops  yams, cassava, sweet potato and cocoyams 

 - Chichester  John Wiley  1978 
 - xiv,234 p. 
<br/><br/><label>ISBN: </label>0471996076 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AGRICULTURE
<br/><br/><label>Dewey Class. No.: </label>635.2  / ONW