Lessons learned from the wash project :  ten years of water and sanitation experience in developing countries 
/by Water and Sanitation for Health Project 
 - Arlington, Virginia :  Water and Sanitation for Health Project,  1990. 
 - 100 p. :  ilus. ; gráfs. 
<br/><br/><label>LCCN: </label>75886 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agua--Abastecimiento.<br/>Agua--Purificacion.