Lytovchenko, Artem, and Olena Muradyan. 2015. “Social and Political Preconditions for Regional Divisions in Ukraine”. Visnyk of V. N. Karazin Kharkiv National University. Series "Sociological Studies of Contemporary Society: Methodology, Theory, methods", no. 1148 (November), 90-99. https://periodicals.karazin.ua/ssms/article/view/4476.