Punmia, B.C. <br/><br/>
Environmental Engineering-2 Wastewater Engineering 

 - 2nd  
 - N.Delhi  Laxmi Pub.  1998 
 - 660 
<br/><br/><label>ISBN: </label>9788131805961 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Civil Engineering