DELCHEV, Daniel. INTERNATIONAL CRISES ARISING FROM THE RUSSIA–UKRAINE CONFLICT: IMPLICATIONS, CONSEQUENCES, AND CHALLENGESFOR INTERNATIONAL SECURITY. E-Journal VFU, [S. l.], n. 25, p. 825–841, 2026. Disponível em: https://ejournal.vfu.bg/index.php/vfu/article/view/322. Acesso em: 15 jul. 2026.