Sankar,Ulaganathan <br/><br/>
Environmental economics 
/ by Ulaganathan Sankar 
 - New Delhi  Oxford university press  2001 
 - viii,469p. 
<br/><br/><label>ISBN: </label>0195659139 
<br/><br/><label>Dewey Class. No.: </label>333.7  / SAN/E