Operation and maintenance of urban water supply and sanitation systems : a guide for managers 

 - Geneva :  World Health Organization,  1994. 
 - ix, 102pg. :  ill. ; 
<br/><br/><label>ISBN: </label>9241544716 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Municipal water supply
<br/><br/><label>LC Class. No.: </label>MED RA591  / W67