Das Gupta, Chidananda <br/><br/>
Higher productivity in agriculture 

 - New Delhi  Oxford and IBH  1980 
 - viii,178p. 
<br/><br/><label>ISBN: </label> RS 45.00 
<br/><br/><label>Source: </label> RS 45.00 
<br/><br/><label>Dewey Class. No.: </label>338.1 HIG