Hammer, Mark J, Sr. <br/><br/>
Water and wastewater technology 

 - 7th ed. 
 - Noida  Pearson India Education  2019 
 - 462 p. 
<br/><br/> 3462 08/05/2019 RBP19/75799 24/05/2019 Main Budget 
<br/><br/><label>ISBN: </label> RS659 
<br/><br/><label>Dewey Class. No.: </label>546.22 H183W(7)