Hammer, Mark J.,  1931- <br/><br/>
Water and wastewater technology / 
Mark J. Hammer and Mark J. Hammer Jr. ; SI conversion by Mohd Razman Salim 
 - 5th ed. in SI 
 - Singapore :  Pearson Education,  2005 
<br/><br/><label>ISBN: </label>013197307X  RM65.70 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water-supply engineering<br/>Sewage disposal