1.
Washington, D.C; World Bank; Aug. 1995. 48 p. (Environmentally Sustainable Development Proceedings Series, 8).
Monography
in English
| PAHO
| ID: pah-20585
2.
Connecticut; Kumarian Press; 1995. x, 194 p. ilus.
Monography
in English
| PAHO
| ID: pah-26802
3.
Washington, D.C; Water and Sanitation for Health Project; July 1993. 63 p. tab.(WASH Field Report, 415). (Contract No. 5973-Z-00-8081-00).
Monography
in English
| PAHO
| ID: pah-20828
4.
Washington, D.C; USAID; Jul. 1993. 63 p. tab.(WASH Field Report, 415).
Monography
in English
| PAHO
| ID: pah-23741