Kalita, Dilip, <br/><br/>
Paribesh Bigyan 
by Dilip Kalita 
 - 1st. 
 - Dibrugarh:  Dilip Kalita,  2006. 
 - 246p:  23cm. 
<br/><br/><label>Subjects--Index Terms: </label>Environmental studies Pollution 
<br/><br/><label>Dewey Class. No.: </label>363.7