Morgan, Peter R. <br/><br/>
Ventilated improved pit latrines: recent developments in Zimbabwe 

 - Washington, D.C.  Technology Advisory Group  1982 
 - v,41p.  28cm. 
<br/><br/><label>ISBN: </label>0821300784 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Privies
<br/><br/><label>LC Class. No.: </label>EAF PAM QTO TD775.M67