Vidyasagar,G <br/><br/>
Objective questions bank and glossary in Environmental studies. 

 - 1ST. 
 - Hydrabad.  BSP.  2009 
 - Xi,343P. 
<br/><br/><label>ISBN: </label> RS 110.00 
<br/><br/><label>Dewey Class. No.: </label>333.7 VID,G