STRILCHUK, Lyudmyla, and Oleksandr DOBRZHANSKYI. “POLAND’S FOREIGN POLICY CONCEPTS TRADITIONS AND INNOVATIONS REGARDING UKRAINE (the XXth – TheBEGINNING OF the XXIst CENTURY)”. EAST EUROPEAN HISTORICAL BULLETIN, no. 18 (March 30, 2021): 219–228. Accessed January 14, 2025. http://eehb.dspu.edu.ua/article/view/226553.