GUPTA (Hari Mohan),Ed. <br/><br/>
Organic farming and sustainable agriculture 

 - India  ABDPublishers  2005 
 - xii,224  PB 
<br/><br/><label>ISBN: </label>81-89011-82-0 
<br/><br/><label>Dewey Class. No.: </label>631.584 GUPO