Carlevaro, Fabrizio, <br/><br/>
Costing improved water supply systems for low-income communities :  a practical manual / 
Fabrizio Carlevaro and Cristian Gonzalez. 
 - xvi, 237 pages :  illustrations ;  25 cm. 
<br/><br/>References : page 227-228. 
<br/><br/><label>ISBN: </label>9781780407210  RM701.76 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water supply.<br/>Water Resources.