Ashworth, William <br/><br/>
Encyclopedia of environmental studies 

 - New Delhi  Viva Books Pvt. Ltd  2006 
 - vii,600p. 
<br/><br/><label>ISBN: </label> RS 1295.00 
<br/><br/><label>Source: </label> RS 1295.00 
<br/><br/><label>Dewey Class. No.: </label>R 304.203 ASH