Mehta, Meenakshi. <br/><br/>
Understanding environmental science / 
Meenakshi Mehta. 
 - New Delhi, India :  Discovery Publishing House,  2010. 
 - 351 p. :  ill. ;  23cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9788183565318 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences.