Punmia ,B.c <br/><br/>
Waste water engineering(including air pollution) environmental engineering-11 

 - 2nd Ed. 
 - New Delhi  Laxmi Publications(P) Ltd  1998 
 - 660 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Civil Engineering
<br/><br/><label>Dewey Class. No.: </label>624  / PU-W