Sinha, Shradha <br/><br/>
A text book of environmental studies   [Book] 
Shradha Sinha. 
 -  A.I.T.B.S. Publishers & Distributors Delhi 
<br/><br/> All. 
<br/><br/><label>ISBN: </label>8174733027 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Sciences
<br/><br/><label>Dewey Class. No.: </label>363.7