George Abuselidze, Iryna Sudak, Yuliia Bilyak, Yuliia Nehoda. "POLITICAL FEATURES OF FEDERALIZATION OF THE MOST POWERFUL COUNTRIES IN THE WORLD: EXPERIENCE FOR UKRAINE." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 21st SGEM International Multidisciplinary Scientific GeoConference Proceedings 2021, Ecology, Economics, Education and Legislation (2021): 445-452. https://doi.org/10.5593/sgem2021/5.1/s21.096