Gopal, Lallanji <br/><br/>
Water and wastewater 

 - New Delhi  A. P. H. Publishing  2013 
 - x,173p. 
<br/><br/><label>ISBN: </label> RS 495.00 
<br/><br/><label>Source: </label> RS 495.00 
<br/><br/><label>Dewey Class. No.: </label>363.7 GOP