Meenakshi, Mehta  <br/><br/>
Understanding Environmental Science/ 
Mehta Meenakshi 
 - ND:  Discovery,  2010. 
 - 360p.  [pb] 
<br/><br/><label>ISBN: </label>9788183565318 
<br/><br/><label>Dewey Class. No.: </label>720.47  / MEE-U