Ravi Kumar, K. Nirmal <br/><br/>
Agricutural Production Economics 

 - New Delhi  Daya Publishing  2015 
 -  Volume 2 .
<br/><br/><label>ISBN: </label>978-93-5124-670-1 
<br/><br/><label>Dewey Class. No.: </label>338.43 RAV