Vaa, Mariken <br/><br/>
Towards More Appropriate Technologies? 

 - Uppsala  Nordiska Afrikainstitutet  1993 
 - 91p.  21cm. 
<br/><br/><label>ISBN: </label>9171063439 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water sanitation
<br/><br/><label>LC Class. No.: </label>PAM HD1699.A1V33