Prabhu L. Pingali <br/><br/>
Sustaining Rice-Wheat Production Systems 

 - Rice-Wheat Consortium 
 - NewDelhi  Rice-Wheat Consortium for Indo-Gangetic Plains   1999 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>633.18  / PIN