Dubey, R. C. <br/><br/>
Textbook of ecology 

 - Delhi  Dominant Publishers & Distributors Pvt. Ltd.   2012 
 - 316p. 
<br/><br/><label>ISBN: </label> RS 995.00 
<br/><br/><label>Source: </label> RS 995.00 
<br/><br/><label>Dewey Class. No.: </label>574.5 DUB