Deswal .S <br/><br/>
A Basic Course in Environmental Studies  

 - 3rd 
 - New Delhi  Dhanpat Rai  2008 
 - 481p 
<br/><br/><label>ISBN: </label>9788177000023 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ENVIRONMENTAL STUDIES
<br/><br/><label>Dewey Class. No.: </label>628 DES