Narayana Rao, M <br/><br/>
Waste water treatment 

 - 3 
 - New Delhi  Oxford & IBH Publishing Co. Pvt. Ltd.  2007 
 - 388p. 
<br/><br/><label>ISBN: </label>9788120417120 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Waste water treatment