Rana, S. V. S. <br/><br/>
Essentials of ecology and environmental science 

 - 5th Edition 
 - New Delhi  PHI Learning Pvt. Ltd.   2015 
 - xvii,590p. 
<br/><br/><label>ISBN: </label> RS 375.00 
<br/><br/><label>Source: </label> RS 375.00 
<br/><br/><label>Dewey Class. No.: </label>577 RAN