PUROHIT,S.S <br/><br/>
Environmental Pollution: Causes effects and Control 

 - Jaipur:  Agrolions  2006 
 - (16),601 p 
<br/><br/><label>ISBN: </label>81-7754-201-X 
<br/><br/><label>Dewey Class. No.: </label>363.73