Gupta, J.K. <br/><br/>
Akshat Urja | अक्षय ऊर्जा 

 - 1st ed. 
 - Allahabad   Koshik Prakshan   2012  
 - 116 p. :  ill. ; 
<br/><br/> urja ke vekalpik srot evm harit urja  
<br/><br/><label>ISBN: </label>81-88963-10-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics of land & energy
<br/><br/><label>Dewey Class. No.: </label>333.79  / G959A