1. Adili. 2003. Harambee: the spirit of giving or reaping? Issue 37 of June2, 2003 (a news service from Transparency International-Kenya).
2. . 2003. Design of incentives in community-based health insurance schemes. Working paper No. 95, Indian Council for Research on International Economics Relations: New Delhi, February 2003.
3. , , et al. 2005. The Perception and Demand for Mutual Health Insurance in the Kassana-Nankana District of Northern Ghana. The Ghanaian-Dutch Collaboration for Health Research and Development: Accra.
4. 1997. Are people in Ghana wiling to pay for health care? Paper presented at the fifteenth annual conference of the German Association of Tropical Paediatricians, Kiel, 23–25 January 1997.