Water quality engineering 
Water quality engineering 
 - "1st ed.,"  "vii, 256 pages : illustrations (some color) ; maps (some color) ; 29 cm" 
 - New York :   Syrawood Publishing House.  2017 
<br/><br/><label>ISBN: </label>9781682864456 
<br/><br/><label>Dewey Class. No.: </label>628.1 SPO  / 22.628.1 SPO