Sanitation promotion : WSSCC working group on promotion of sanitation / 
World Health Organization; edited by M. Simpson-Hebert, S. Wood. 
 - Geneva :  World Health Organization,  1998. 
 - xv, 277 p. :  ill. ;  30 cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sanitation