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

 - 4th Edition 
 - New Delhi  PHI Learning  2009 
 - xiv,568p. 
<br/><br/><label>ISBN: </label> RS 295.00 
<br/><br/><label>Source: </label> RS 295.00 
<br/><br/><label>Dewey Class. No.: </label>577 RAN