Biblio

S. National A. SD and IRC International Water and Sanitation Centre, The Hague, NL, “Report of a seminar on slow sand filtration and community education and participation”. IRC, The Hague, The Netherlands, p. 31 p., 1984.

S. National A. SD and Orleans, F. R. B. R. G. M. -, “Rural water supply project in Western Sudan : water resources and requirements study : final report”. Bureau de Recherches Geologiques et Minieres (BRGM), Orleans, France, p. 48 p.: fig., tab., 1984.