International crops Research Institute for the semi-Arid tropics. The Farmer in the semi-Arid Tropics of the west Africa 

 - Andhra Pradesh   Icrisat           1982 
 - ix,122p  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X9(J):2.2.65a.N81m2.2