AJOY GANGOPADHYAY <br/><br/>
CROP PRODUCTION SYSTEMS MANAGEMENT  
, [By] AJOY GANGOPADHYAY 
 - 1st 
 - NEW DELHI  GENE -TECH BOOKS  2007 
<br/><br/><label>ISBN: </label>81 89729 64 0 
<br/><br/><label>Dewey Class. No.: </label>633.01