Root crops and low-input agriculture:  proceedings of the third Eastern and Southern Africa regional root crops workshop  Mzuzu, Malawi  7-11 December 1987 / 
edited by Alvarez, M.N. & Hahn 
 - Ibadan  International institute of Tropical Agriculture  1989 
 - v, 268p.  Hbk 
<br/><br/><label>ISBN: </label>9781310359 
<br/><br/><label>LC Class. No.: </label>SB209.R7 1989