World Health Organisation <br/><br/>
Excreta disposal for rural areas and small communities 

 - 1st Ed. 
 - New Delhi  World Health Organisation Geneva  1958 
 - 187 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Civil Engineering
<br/><br/><label>Dewey Class. No.: </label>624  / WO-M