1. World Bank. Access to electricity, rural (% of rural population); 2016. URL: https://data.worldbank.org/indicator/EG.ELC.ACCS.RU.ZS [accessed 17 December 2018].
2. United Nations. The Millennium Development Goals Report; 2015. URL: http://www.un.org/millenniumgoals/2015_MDG_Report/pdf/MDG%202015%20rev%20(July%201).pdf [accessed 10 October 2018].
3. Costing improved water supply systems for low-income communities: A practical manual;Carlevaro,2015
4. Hygiene, sanitation, and water: forgotten foundations of health;Bartram;PLoS Med,2010
5. Agence Française de Développement and Programme Solidarité Eau. Réalisation et gestion des forages équipés d’une pompe à motricité humaine en Afrique subsaharienne; 2011. URL: https://www.pseau.org/outils/ouvrages/afd_realisation_et_gestion_des_forages_equipes_d_une_pompe_a_motricite_humaine_en_afrique_subsaharienne_2011.pdf [accessed 10 October 2018].