Paryavaran vimarsh. 

 - New Dellhi :  [n.d.] 
 - _v. :  ill. 
 - Quarterly 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental science <br/>Conservation and energy
<br/><br/><label>Dewey Class. No.: </label>363.7  / PAR