Benefits of investing in water and sanitation  : an OECD perspective 
OECD 
 - Paris  OECD  2011 
 - 144 p.  24 cm 
<br/><br/><label>ISBN: </label>9789264100541 
<br/><br/><label>Subjects--Index Terms: </label>Analisis economico Eliminacion de desechos Recursos hidricos Abastecimiento de agua