Environmental studies 
Sanjay Kumar Batra ... [et al.] 
 - 3rd 
 - New Delhi  Taxmann Pub.  2017 
 - xvi, 252 
<br/><br/><label>ISBN: </label>9789386635150 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology-Environmental aspects<br/>Environment<br/>Environmental-Study and teaching
<br/><br/><label>Dewey Class. No.: </label>363.7071154  / BAT P17