Kormondy, Edward J. <br/><br/>
Concepts of ecology 
by Edward J. Kormondy 
 - 4th ed. 
 - Uttar Pradesh:  PearsonIndia Education Services Pvt. Ltd,  2017 
 - xxii, 498p. 
<br/><br/><label>ISBN: </label>9789332586093 
<br/><br/><label>Dewey Class. No.: </label>G:5  / Q7