1. World Health Organization. The World Health Report 2000: health systems: improving performance. Geneva: World Health Organization; 2000.
2. World Health Organization. Increasing access to health workers in remote and rural areas through improved retention: global policy recommendations. Geneva: World Health Organization; 2010.
3. Gottret P, Schieber G. Health financing revisited: a practitioner’s guide. Washington, DC: World Bank; 2006.
4. Kiss S, Koolman X, Filko M. Equity in health care finance in Slovakia–the impact of the reform. Rotterdam: Erasmus University; 2007.
5. Mirzaei S, Safizadeh H, Oroomiei N. Comparative study of social determinants of health models. Iran J Epidemiol. 2018;13(3):224–34.