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* Brikke, François y Bredero, Maarten. [http://www.washdoc.info/docsearch/title/117705 Linking technology choice with operation and maintenance in the context of community water supply and sanitation: A reference document for planners and project staff ] o ([http://www.who.int/water_sanitation_health/hygiene/om/wsh9241562153/en/ enlace alternativo]). Organización Mundial de la Salud y IRC Centro Internacional de Agua y Saneamiento. Ginebra, Suiza 2003.* [http://www.lifewater.org/resources/rws1/rws1p4.pdf Elegir dónde colocar las tomas. ] Agua para el mundo. * [http://www.samsamwater.com/library/TP40_11_Surface_water.pdf Surface water intake and small dams. ] Nhamo Masanganise.