Sharma , P.D., <br/><br/>
Ecology and Environment  
by P.D.Sharma 
 - 13th ed. /   1st rep. ed. 
 - Meerut:  Rastogi . 
 - xix ;755p.:  24.5 cm. 
<br/><br/><label>ISBN: </label>9789350781227 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology<br/>Environment
<br/><br/><label>Dewey Class. No.: </label>	574.5