Usenkov, M. “The Circulation of the Political Elite on the Example of the Cabinet of Ministers of Ukraine from 2005 to 2016”. Visnyk of V. N. Karazin Kharkiv National University. Series "Sociological Studies of Contemporary Society: Methodology, Theory, methods", Vol. 37, Mar. 2017, pp. 147-52, https://periodicals.karazin.ua/ssms/article/view/8039.