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

 - 3rd edition 2007. 
 - New Delhi :  Oxford and IBH Publishing,  2021 
 - 350 pages.  
<br/><br/><label>ISBN: </label>978-81-204-1712-0 
<br/><br/><label>Subjects--Topical Terms: </label> Biotechnology 
<br/><br/><label>Dewey Class. No.: </label>628.3  / RAO