Biblio

WHO -Geneva, CH, World Health Organization, «Rural water supply : operation and maintenance : eight questions to ask». World Health Organization, Environmental Health Technology and Support Div, Geneva, Switzerland, p. 15 p., 1983.

WHO -Geneva, CH, World Health Organization, IN, I. Ministry o, y UNICEF -New York, NY, US, «Report of the evaluation team set up by the Ministry of Works and Housing Government of India on WHO/UNICEF assisted rural water supply programme». India, Ministry of Works and Housing, New Delhi, India, p. 57 p.: tab., 1976.