Ashworth, William. <br/><br/>
The encyclopedia of environmental studies /  
by William Ashworth,Charles E.Little. 
 - /   . 
 - New Delhi :   Viva Books ,   2008. 
 - vii,600p. :   diagrams,pictures ;   NULL .  
<br/><br/>Includes index,bibliography 
<br/><br/><label>ISBN: </label> Rs.1295.00 (Hb) 
<br/><br/><label>Subjects--Index Terms: </label>ENVIRONMENTAL STUDIES 
<br/><br/><label>Dewey Class. No.: </label>372.357  / ASH/E