Punmia,B.C. <br/><br/>
Waste Water Engineering: (including air pollution) : Environmental Engineering-II 

 - 2nd 
 - NEW DELHI  LAXMI  PUBLICATION  2013 
 - xv,660 p. 
<br/><br/><label>ISBN: </label>9788131805961. 
<br/><br/><label>Dewey Class. No.: </label>628.162