singh,kumar,arun. <br/><br/>
environmental economics     various dimension 

 - 1 
 - new delhi   regal publications  2009 
 - 254p; 20cmsp 
<br/><br/><label>ISBN: </label>c978-81-89979-72-0 
<br/><br/><label>Dewey Class. No.: </label>574.53  / sin/env