Dave, Deeksha & Katewa, S S <br/><br/>
Textbook of environmental studies  

 - 2nd ed  
 - Cengage Learning  Delhi  2012 
 - xv,369 
<br/><br/>
<br/><br/><br/>E 
<br/><br/><label>Universal Decimal Class. No.: </label>301.3 Dav/Kat