Vasantha Kumaran, T. <br/><br/>
Environmental pollution 

 - Colombo  Kumaran Book House  2007 
 - 69 p. ;    pbk. : photos ;  22 cm ; 
<br/><br/> HW 
<br/><br/> se 
<br/><br/><label>ISBN: </label>978955659079X 
<br/><br/><label>Dewey Class. No.: </label>363.7  / VAS