Benefits of investing in water and sanitation :   an OECD perspective 

 - París, Francia :   Organisation for Economic Co-operation and Development,  2011 
 - 144 p. 
<br/><br/><label>ISBN: </label>978-92-64-10054-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agua--Abastecimiento<br/>Ingeniería sanitaria
<br/><br/><label>Dewey Class. No.: </label>OCDE 628.1 B4644b-i 2011