Drinking - water and sanitation, 1981 - 1990 
By WHO 
 - Geneva  The World health organization  1981 
 - 56p. 
<br/><br/><label>ISBN: </label>92 4 156068 1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>International Drinking Water Supply and Sanitation Decade, 1981-1990 -- Congresses<br/>Women in development -- Developing countries -- Congresses<br/>Water- supply --Developing countries -- Congresses
<br/><br/><label>Dewey Class. No.: </label>V43 W893 /1981-1990