Essential Environmental Studies 

 - New Delhi  Ane Books  2009 
 - 241 
<br/><br/><label>ISBN: </label>978-81-8052-172-0 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Environmental Studies<br/>
<br/><br/><label>Dewey Class. No.: </label>574.5