Water safety planning for small community water supplies :  step-by-step risk management guidance for drinking-water supplies in small communities / 
World Health Organization. 
 - Geneva :  World Health Organization,  2012. 
 - 55 p. :  ill. ;  28 cm. 
<br/><br/><label>ISBN: </label>978-92-4-154842-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water quality<br/>Drinking water<br/>Water pollution<br/>Water supply--Standards<br/>Manuals