AFANASIEV, I. Y. The activity of the Confederation of Independent Poland, in regard to Ukraine as potential member of Baltic-Black Sea international alliance (1980–2000). Вісник Черкаського університету. Серія: Історичні науки, [S. l.], v. 328, n. 35, 2016. Disponível em: https://history-ejournal.cdu.edu.ua/article/view/312. Acesso em: 4 трав. 2026.