Donkor-Badu, B., Appiah-Effah, E., Nyarko, K.B., Dwumfour-Asare, B., Moriarty, P.B., Obuobisa-Darko, A., Narteh Otum, V., Dickinson, N., y Adjei, K.A., «Adamupe community report: cost of water and sanitation services in Adamupe, East Gonja District in Northern Region of Ghana», WASHCost team, Accra and Kumasi, Ghana, Accra, Ghana, 2012.

Donkor-Badu, B., Appiah-Effah, E., Nyarko, K.B., Dwumfour-Asare, B., Moriarty, P.B., McIntyre, P., Obuobisa-Darko, A., Narteh Otum, V., Dickinson, N., y Adjei, K.A., «Grushie Zongo community report : cost of water and sanitation in Grushie Zongo in East Gonja District, Ghana», WASHCost team, Accra and Kumasi, Ghana, Accra, Ghana, 2012.