Shah, B. R. <br/><br/>
Basic Environmental Studies 

 - 2nd. 
 - Ahmedabad  Mahajan Publishing House  2010 
 - 11.13. 
<br/><br/><label>ISBN: </label>9789380109169 
<br/><br/><label>Subjects--Topical Terms: </label><br/><br/>
<br/><br/><label>Dewey Class. No.: </label>628  / SHA