Grіtsenko Andriy, Olena Borzenko - Slozko, ir Burlay Tаtyana. „Ukraine’s European Integration and Its Current Challenges“. Vilnius University Open Series (birželio 29, 2021): 6–11. žiūrėta spalio 26, 2025. https://test.zurnalai.vu.lt/open-series/article/view/24327.