Bipanna Poribesh 

 - Kolkata  Nagarik Mancha  2000 
 - 480 p. 
<br/><br/><label>ISBN: </label> 60 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Science
<br/><br/><label>Dewey Class. No.: </label>301.3  / MAN