Patra,Pulak, Kumar <br/><br/>
ENVIRONMENTAL STUDIES 

 - India,  Studera Press,  2018. 
 - 390p,  22cm. 
<br/><br/><label>ISBN: </label>978-93-85883-11-8 
<br/><br/><label>Dewey Class. No.: </label>333.7 PAT