Pingali,Prabhu L. <br/><br/>
Agricultural mechanization and the evolution of farming systems in Sub-Saharan Africa/ 
Prabhu Pingali, Yves Biogt, Hans Binswanger. 
 - Baltimore :  Published for the World Bank, Johns Hopkins University Press,  1987. 
 - viii, 216 p. :  ill., maps ;  25 cm. 
<br/><br/>Includes bibliographical references ( p. 191-206 ) and index. 
<br/><br/><label>ISBN: </label>080183502x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Farm mechanization--Africa, Sub-Saharan.<br/>Agricultural systems--Africa, Sub-Saharan.<br/>Animal traction--Africa, Sub-Saharan.
<br/><br/><label>LC Class. No.: </label>S760.A35  / P55 1987