W. K. Siabi, Kumasi, R. C., Van Ess, R. K. D., Aduakye, J. G., Adank, M., Adomako-Adjei, T., and Nyarko, K. B., “Achieving full coverage and sustainable water service provision : the needs and gaps : Bongo, East Gonja and Wa East District Assembly”. Community Water and Sanitation Agency (CWSA) and IRC Ghana, Accra, Ghana, p. 35 p. : 1 fig., 5 tab., 2017.

K. B. Nyarko and Dwumfour-Asare, B., “Tracking direct support and capital maintenance cost in rural water service delivery in Ghana : a paper presented at the Monitoring Sustainable WASH..”, in IRC Symposium 2013 : monitoring sustainable WASH service delivery, 9 to 11 April 2013, Addis Ababa, Ethiopia : symposium papers, 2013, p. 10 p.; 3 fig.; 1 tab.

B. Donkor-Badu, Appiah-Effah, E., Nyarko, K. B., Dwumfour-Asare, B., Moriarty, P. B., Obuobisa-Darko, A., V. Otum, N., Dickinson, N., and 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.

K. B. Nyarko, “Adwafo community report: cost of water and sanitation services in Adwafo, Bosomtwe District of Ashanti Region of Ghana”, IRC, The Hague, The Netherlands, 2012.

B. Donkor-Badu, Appiah-Effah, E., Nyarko, K. B., Dwumfour-Asare, B., Moriarty, P. B., Obuobisa-Darko, A., V. Otum, N., Dickinson, N., Adjei, K. A., and IRC, “Akporkploe community report: cost of water and sanitation services in Akporkploe in the Ketu South district”, WASHCost Ghana , Accra and Kumasi, 2012.

K. B. Nyarko, “Behenase community report: cost of water and sanitation services in Behenase in the Bosomtwe District of Ashanti Region, Ghana.”, IRC International Water and Sanitation Center, The Hague, The Netherlands, 2012.

K. B. Nyarko, “Dedesua community report: cost of water and sanitation services in Dedesua in the Bosomtwe District, Ghana”, IRC, The Hague, The Netherlands, 2012.

K. B. Nyarko, “Dodorkope community report: cost of water and sanitation services in Dodorkope in the Ketu South District, Ghana”, IRC International Water and Sanitation Center, The Hague, The Netherlands, 2012.

K. B. Nyarko, “Edwenase community report: cost of water and sanitation services in Edwenase in the Bosomtwe District of Ashanti Region, Ghana”, IRC International Water and Sanitation Center, The Hague, The Netherlands, 2012.

B. Donkor-Badu, Appiah-Effah, E., Nyarko, K. B., Dwumfour-Asare, B., Moriarty, P. B., McIntyre, P., Obuobisa-Darko, A., V. Otum, N., Dickinson, N., and 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.

K. B. Nyarko, “Jankpariba community report: cost of water and sanitation services in Jankpariba in the East Gonja District, Ghana”, 2012.

K. B. Nyarko, “Jillo Yipalla community report: cost of water and sanitation services in Jillo Yipalla in the East Gonja District, Ghana.”, IRC, The Hague, The Netherlands, 2012.

K. B. Nyarko, “Kakoshie Gonja community report: cost of water and sanitation services in Kakoshie Gonja in the East Gonja District, Ghana”, IRC, The Hague, The Netherlands, 2012.

K. B. Nyarko, “Kito community report: cost of water and sanitation services in Kito in the East Gonja District of Northern Region, Ghana.”, 2012.

K. B. Nyarko, “Kpalbe community report: cost of water and sanitation services in Kpalbe in East Gonja District, Ghana”, IRC, The Hague, The Netherlands, 2012.

K. B. Nyarko, “Kpoglu community report: cost of water and sanitation services in Kpoglu in the Ketu South district”, 2012.

K. B. Nyarko, “Kpolo community report: cost of water and sanitation services in Kpolo in the East Gonja District of Northern Region, Ghana”, IRC, The Hague, The Netherlands, 2012.

B. Dwumfour-Asare, Nyarko, K. B., Moriarty, P. B., Obuobisa-Darko, A., and Appiah-Effah, E., “Life-cycle costs in Ghana: access to sanitation services”, WASHCost Ghana briefing note series, vol. 5. IRC , The Hague, p. 8 p.; 4 Tab,;, 2012.

E. Appiah-Effah, Nyarko, K. B., Dwumfour-Asare, B., and Moriarty, P. B., “Life-cycle costs in Ghana: case study of Oyibi multi-village water schemes”, WASHCost Ghana briefing note series, vol. 10. IRC, The Hague, p. 12 p.; 5 fig.; 1 Tab.;, 2012.

B. Dwumfour-Asare, Nyarko, K. B., Nkrumah, E., Appiah-Effah, E., and Moriarty, P. B., “Life-cycle costs in Ghana: cost drivers of capital investment of small towns water schemes”, WASHCost Ghana briefing note series, vol. 11. IRC , The Hague, the Netherlands, p. 8 p.; 4 Tab.; , 2012.

K. B. Nyarko, Asante, J., Dwumfour-Asare, B., and Moriarty, P. B., “Life-cycle costs in Ghana: cost study of small towns water schemes in central region”, WASHCost Ghana briefing note series, vol. 9. IRC, The Hague, the Netherlands, p. 12 p,; 7 Fig.; 3 Tab,;, 2012.

K. B. Nyarko, Dwunmfour-Asare, B., Moriarty, P. B., Appiah-Effah, E., and Obuobisa-Darko, A., “Life-cycle costs in Ghana : functionality of rural water systems in Ghana”, WASHCost Ghana briefing note series, vol. 6. IRC, The Hague, the Netherlands, p. 7 p. : 5 tab., 2012.

P. B. Moriarty, Nyarko, K. B., Dwumfour-Asare, B., Obuobisa-Darko, A., and Appiah-Effah, E., “Life-cycle costs in Ghana: uses and sources of water in rural areas”, WASHCost Ghana briefing note series, vol. 8. IRC, The Hague, p. 8 p.; 6 Fig,;, 2012.

K. B. Nyarko, “Meriche community report: cost of water and sanitation services in Meriche in the East Gonja District of Northern Region, Ghana”, IRC, The Hague, The Netherlands, 2012.

K. B. Nyarko, “Nkwanta community report: cost of water and sanitation services in Nkwanta in the Bosomtwe District of Ashanti Region, Ghana”, IRC International Water and Sanitation Center, The Hague, The Netherlands, 2012.