1. Socioeconomic impact of a rural water supply programme in the Upper East Region of Ghana;Akuoko-Asibey,1994
2. Assessing hygiene and health related improvements of a rural water supply and sanitation program in northern Ghana;Akuoko-Asibey,1994
3. Ampratwum, K. (1992). Personal interview with former PNDC Secretary for the Ministry of Works and Housing, Accra.
4. Amunya, V. (1992). Personal interview with Regional Coordinator, National Council on Women and Development, Bolgatanga.
5. Anaba, A. F. (1992). Personal interview with former PNDC Deputy Regional Secretary, Upper East Region (now Deputy Upper East Regional Minister).