Punmia ,B.c <br/><br/>
Waste water engineering 

 - 2nd . Ed. 
 - New Delhi  Laxmi Publications(P) Ltd  2003 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Civil Engineering
<br/><br/><label>Dewey Class. No.: </label>621.381  / PU-W