Bandyopadhaya, Bijoy <br/><br/>
Project work book  Environmental studies 
Bijoy Bandyopadhaya 
 - Kolkata  United Book Agency 
 - 40 p. 
<br/><br/><label>ISBN: </label> Rs.50.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environment science<br/>Environmental studies
<br/><br/><label>Dewey Class. No.: </label>363.7  / BAN P