Dave, Deeksha, <br/><br/>
Texbook Of Environmental Studies 

 - New Delhi :  Cengage Learning,  c2009. 
 - xi, 319 p.:  [142] 
<br/><br/><label>ISBN: </label>9788131508572 
<br/><br/><label>Dewey Class. No.: </label>363.7  / DAV/KAT/ENV