* [httphttps://washinschoolsmappingwww.commedbox.org/wenginepreview/wp539164aa-e26c-443f-841b-content/uploads/2015/105b821fcc7b89/Sudan-KhartoumTechnGuidelinesRuralHealthLatrinesdoc.pdf Technical Guidelines For the Construction and Management of Rural Health Institution Latrines: A Manual for Field Staff and Practitioners]. UNICEF. April 2009.