Ramesh Umrani <br/><br/>
Sustainable agriculture 
Ramesh Umrani, C.K. Jain. 
 - Jaipur  Oxford book company.  2010 
 - 304 P 
<br/><br/><label>ISBN: </label>978-93-80179-27-8 
<br/><br/><label>Dewey Class. No.: </label>631