Punmia, B.C. <br/><br/>
Wastewater Engineering /  
Arun Kumar Jain and ashok Kumar Jain 
 - ND:  Laxmi,  2009. 
 - 660p.  [pb]  
<br/><br/><label>ISBN: </label>9788131805961. 
<br/><br/><label>Dewey Class. No.: </label>628.3  / PUN-E