Adank, M., Kumasi, T.C., Abbey, E., Dickinson, N., Dzansi, P., Atengdem, J.A., Laari Chimbar, T., y Appiah-Effah, E., «The status of rural water services in Ghana : a synthesis of findings from 3 districts (Akatsi, Sunyani West and East Gonja Districts)». IRC, The Hague, The Netherlands, p. xi, 71 p.; 24 fig.; 15 tab.; 2 boxes, 2013.

Nyarko, K.B., Dwumfour-Asare, B., Appiah-Effah, E., Moriarty, P.B., y Obuobisa-Darko, A., «Life-cycle costs in Ghana: post-construction costs of water point-systems», WASHCost Ghana briefing note series, vol. 2. IRC, The Hague, p. 12 p.; 3 fig.; 3 tab.; 2 photographs, 2011.

Nyarko, K.B., Dwumfour-Asare, B., Appiah-Effah, E., y Moriarty, P.B., «Costs of delivering water service in rural areas and small towns in Ghana : paper presented at the IRC symposium ‘ Pumps, Pipes and Promises: Costs, Finances and Accountability for Sustainable WASH Services' in The Hague, The Netherlands from 16 - 18 Nove», presented at the 2010-11-16, The Hague, The Netherlands, 2010, p. 20 p. : 10 fig., 8 tab.