Norman W. David, Newman D.Mark and Ouedraogo Ismael <br/><br/>
Farm and Village production systems in the semi-arid tropics of West Africa  An interpretive review of research 
David, W. Norman, Mark, D. Newman and Ismael Ouedraogo 
 - India  ICRISAT  1981 
 - vi, 94p.:ill.  Pbk 
<br/><br/><label>LC Class. No.: </label>S561.N6  / 1981