1. Census of population, households and dwellings in the Republic of Macedonia, 2002-Book XIII,2005
2. The World Factbook Central Intelligence Agency. https://www.cia.gov/library/publications/the-world-factbook/. Accessed August 15, 2015.
3. Data refer mostly to the year 2014. Selecting all countries, GDP per capita (current US$), World Bank. http://data.worldbank.org/indicator/NY.GDP.PCAP.CD. Accessed August 15, 2015.
4. Three periods of health system reforms in the Republic of Macedonia (1991-2011);Lazarevik;Prilozi,2012
5. World Health Organization: WHO. www.who.int/WorldHealth Organization. Global health observatory. Accessed August 15, 2015.