Pal, Ajay <br/><br/>
পরিবেশ বিদ্যা/ 
Ajay Pal 
 - Kolkata  Books and allyed  2000 
 - 223p. 
<br/><br/><label>ISBN: </label>81-87134-96-8  Rs.75 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environment Science
<br/><br/><label>Dewey Class. No.: </label>363.7  / PAL