Singh, Parmeshwar <br/><br/>
Biodiversity based organic farming 

 - New Delhi  Centrum Press  2013 
 - viii, 304 p. 
<br/><br/> 3633 21/10/2013 13413 29/10/2013 Main Budget 
<br/><br/><label>ISBN: </label> RS3000 
<br/><br/><label>Dewey Class. No.: </label>630 S64B