Patra, Pulak K. <br/><br/>
ENVIRONMENTAL STUDIES 

 - India:  Studera Press,  [2018] 
 - 390 p.  23 cm 
<br/><br/><label>ISBN: </label>978-93-85883-11-8 
<br/><br/><label>Dewey Class. No.: </label>333.7