Rao, M N <br/><br/>
Waste water treatment /  
by M N Rao and A K Datta 
 - 3rd ed. 
 - New Delhi :   CBS Publishers,   2022. 
 - 388p.: 
<br/><br/><label>ISBN: </label>9788120417120 
<br/><br/><label>Dewey Class. No.: </label>628.162    RAO/W