Chinnappa,B <br/><br/>
Economics for Energy Use in Croping System / 
Chinnappa,B 
 - 1st Edition 
 - Chennai :  Narendra publishing house ,  2012 
 - 119 pages 
<br/><br/><label>ISBN: </label>9789380428413 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>338.1  / CHI