Sinha, Savitri <br/><br/>
The environment : an elaboratory survey 

 - 1st 
 - New Delhi  Alfa Publications  2006 
 - 361p. 
<br/><br/> 13346 
<br/><br/><label>ISBN: </label>8189582933  900 
<br/><br/><label>Dewey Class. No.: </label>333.709 SIN-T