Practical solutions in drinking water supply and wastes disposal for developing countries / 
International Reference Centre Community Water Supply and Sanitation. 
 - 2nd ed. 
 - Rijswijk,Netherlands :  I.R.C.C.W.S.S.,  1982. 
 - 1 v., various pagings. 
 - Technical paper  no. 20. .
<br/><br/><label>ISBN: </label>9066870028. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sanitation--Developing countries.<br/>Water-supply--Developing countries.<br/>Drinking water--Developing countries.