Budka, Krzysztof, and Alicja Ewa Tychoniec. “The Geopolitical Situation of Ukraine After the „Orange Revolution””. Journal of Education, Health and Sport 7, no. 12 (December 31, 2017): 579–601. Accessed July 17, 2024. https://apcz.umk.pl/JEHS/article/view/5185.