OMS <br/><br/>
Operation and maintenance of urban water supply and sanitation systems a guide for managers 

 - 1ra. ed. 
 - Suiza  World Health Organization  1994 
 - 102 Páginas   24x16 cmts. 
<br/><br/>
<br/><br/><br/>Ingles 
<br/><br/><label>ISBN: </label>9241544716 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ABASTECIMIENTO DE AGUA<br/>MANTENIMIENTO
<br/><br/><label>Dewey Class. No.: </label>M11414