WORLD Health Organization <br/><br/>
Excreta disposal for rural areas and small communities 

 - Geneva  WHO  1958 
 - 187 p. 
<br/><br/><label>ISBN: </label>65544 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sanitaion services
<br/><br/><label>Dewey Class. No.: </label>363.72  / WOR