Poulos, Christine <br/><br/>
A Guide to water and sanitation sector impact evaluations  

 - [Washington DC.    The World bank  2006 
<br/><br/><label>ISBN: </label>Doping Impact Evaluation ; no.4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water and sanitation
<br/><br/><label>Dewey Class. No.: </label>363.61 POU