YANG, Rui. Russia’s Energy Relations with Central and Eastern Europe. International Journal of Electric Power and Energy Studies, [S. l.], v. 5, n. 2, p. 50–59, 2026. DOI: 10.62051/ijepes.v5n2.05. Disponível em: https://wepub.org/index.php/IJEPES/article/view/6202. Acesso em: 7 jul. 2026.