ORIGHMISAN EYESAN. Geopolitical Power Struggles and Regional Sovereignty: A Historical Analysis of Russia-Ukraine Relations since 1991 . Covenant University Journal of Politics and International Affairs, [S. l.], v. 13, n. 1, 2025. Disponível em: https://journals.covenantuniversity.edu.ng/index.php/cujpia/article/view/5137. Acesso em: 5 dec. 2025.