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«A comparative case study of Ouagadougou and Kumasi sanitation projects». World Bank Regional Water and Sanitation Group West Africa, Abidjan, Ivory Coast, p. 99 p.: fig., ill., map, tab., 1994.
M. Saidi-Sharouze,
«Etude comparative des projets d'assainissement de Ouagadougou et de Kumasi». World Bank Regional Water and Sanitation Group Western Africa, Abidjan, Ivory Coast, p. 101 p.: fig., ill., map, tab., 1994.