1. Akin, J., et al. (1987). Financing health services in developing countries: An agenda for reform. Washington.
2. Albanian Council of Ministers. (2001). National strategy for socio-economic development. Tirana.
3. Albanian Ministry of Health. (2000). Albanian Public’s perceptions of the health care system. Tirana: Albanian Health System Recovery and Development Project.
4. Balabanova, D., & McKee, M. (2002). Understanding informal payments for health care: The example of Bulgaria. Health Policy, 62, 243–273.
5. Belli, P., Shahriari, H., & Curtio Medical Group. (2002). Qualitative study on informal payments for health services in Georgia. Washington: The World Bank.