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	Energy for Sustainable Development  revue - 1994 Ed. Elsevier -
	How to clean a tubewell: the effectiveness of three approaches in reducing coliform bacteria  article - 2023 - 9 pp Ed. Elsevier -
	Les toilettes scolaires  article - 2016 - 11 pp Ed. Elsevier -
	Special Issue on Renewable Energy in Sub-Saharan Africa Contributions from the Social Sciences  revue - 2015 - 134 pp Ed. Elsevier -
	Wind energy in sub-Saharan Africa: Financial and political causes for the sector's under-development  article - 2015 - 14 pp Ed. Elsevier -

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