Sharma, P.D. <br/><br/>
Ecology and Environment: a textbook for university students 
P.D. Sharma 
 - 13th 
 - Meerut  Rastogi Pub.  2017 
 - xix, 755 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9789350781227 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology<br/>Ecology - Environmental aspects
<br/><br/><label>Dewey Class. No.: </label>577.5  / SHA P17