1. Alexandersen, N., Anell, A., Kaarboe, O., Lehto, J. S., Tynkkynen, L.-K., & Vrangbæk, K. (2016). The development of voluntary private health insurance in the Nordic countries. Nordic Journal of Health Economics, 4(1), 68-83.
2. Chen, C., Weider, K., Konopka, K., & Danis, M. (2014). Incorporation of Socio-economic Status Indicators into Policies for the Meaningful Use of Electronic Health Records. Journal of Health Care for the Poor and Underserved, 25(1), 1-16.
3. Chkan, I., & Rubtsova, N. (2015). Current state of the health insurance market in Ukraine: challenges and opportunities. Financial Space, 4(20), 157-172.
4. Demchenko, O. (2016). Pragmatics of financial security of health insurance in Ukraine. Young Scientist, 10(37), 363-368.
5. Farrah, Lu. A. (2013). Competition and Growth Potential in Health Insurance Markets. Mark Farrah Associates. - http://www.markfarrah.com/healthcare-business-strategy/Competition-and-Growth-Potential-in-Health-Insurance-Markets.aspx