Rybczynski, W. <br/><br/>
Low-cost technology options for sanitation : a state-of-the-art review and annotated bibliography 

 -  The World Bank  974 
 - 184 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Review and annotated 
<br/><br/><label>Dewey Class. No.: </label>016.6284  / R96l 1974