Drinking-water and sanitation, 1981-1990 :  a way to health / 
a WHO contribution to the International Drinking Water Supply and Sanitation Decade 
 - Geneva :  World Health Organization,  1981 
 - 56 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>9241560681 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water supply<br/>Sanitation<br/>Public health