Usha,A,Ed. <br/><br/>
Environmental pollution :  international perspectives / 

 - Hyderabad,  Amicus Books,  2008. 
 - 281 p. : 
<br/><br/><label>ISBN: </label>9788131418277 
<br/><br/><label>Dewey Class. No.: </label>344.046  / USH.E