RAO, P. VENUGOPALA, <br/><br/>
TEXTBOOK OF ENVIRONMENTAL ENGINEERING : 

 -  PHI Learning Pvt. Ltd.,  2002. 
 - 286 pages 
<br/><br/><label>ISBN: </label>9788120319301 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology & Engineering.
<br/><br/><label>Dewey Class. No.: </label>628  / VEN