U S Vijayakumar <br/><br/>
Environmental Studies 

 - Mumbai  Himalaya Publishing House  2012 
 - 218 p. 
<br/><br/><label>ISBN: </label> 199 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Studies
<br/><br/><label>Dewey Class. No.: </label>337 VIJ