Morgan P, Mara D.D. <br/><br/>
Ventilated improved pit latrines : recent developments in Zimbabwe. 

 - 41p. 
 - (World Bank technical paper ; no. 3). .
<br/><br/><label>ISBN: </label>0-8213-0078-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Toilet facilities<br/>Technology, appropriate