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

 - 2nd Edition 
 - N.Delhi  Prentice-Hall of India  2005 
 - xv,488p. 
<br/><br/><label>ISBN: </label> RS 250.00 
<br/><br/><label>Source: </label> RS 250.00 
<br/><br/><label>Dewey Class. No.: </label>577 RAN