Rehman Hifzur <br/><br/>
Energy use in agricultural productivity 

 - New Delhi   Concept Publishing Company India        2003 
 - 134p  cm. 
<br/><br/><label>ISBN: </label>8180690776 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X9(J)-(F55):89P.1(X).P, P3