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

 - 2nd ed. 
 -  Prentice Hall,  c2005. 
 - 0  ill.  
<br/><br/><label>ISBN: </label>NA 
<br/><br/><label>Dewey Class. No.: </label>577