Biblio

World Bank -Washington, DC, US, Africa development indicators 2011. Washington, DC, USA: World Bank, 2011, p. ix, 184 p. : fig., tab.

World Bank -Washington, DC, US, UNDP -New York, NY, US, y Abidjan, C. I. African De, «Water supply and sanitation in Africa : laying the foundation for the 1990s : proceedings of the All Africa Rural Water Supply and Sanitation Workshop and Water Supply and Sanitation Sector Conference, Abidjan, Cote d'Ivoire, May 1990». World Bank, Washington, DC, USA, p. 2 vol. (ix, 221 p. ; 291 p.): tab., 1991.

WHO -Geneva, CH, World Health Organization, World Bank -Washington, DC, US, UNDP -New York, NY, US, y UNICEF -New York, NY, US, «Inter-agency round table on water supply and sanitation in Africa, Brazzaville, 15-18 December 1987 : report of a meeting of representatives of United Nations Development Programme, United Nations Children's Fund, World Bank, World Health O». World Health Organization (WHO), Geneva, Switzerland, p. v, 27 p., 1988.

WHO -Geneva, CH, World Health Organization, World Bank -Washington, DC, US, UNDP -New York, NY, US, y UNICEF -New York, NY, US, «Table ronde inter-institutions sur l'approvisionnement en eau et l'assainissement en Afrique, Brazzaville, 15-18 decembre 1987 : rapport d'une reunion des representants du programme des Nations Unies pour le Developpement, du Fonds des Nations Unies pour». World Health Organization (WHO), Geneva, Switzerland, p. vi, 29 p., 1988.

World Bank -Washington, DC, US y UNDP -New York, NY, US, «All-Africa seminar on low-cost rural and urban-fringe water supply : Abidjan, October 13-18, 1986». UNDP (United Nations Development Programme), Abidjan, Ivory Coast, p. 28 papers (ca. 450 p.), 1986.