SYDIAHA , Volodymyr. TRANSFORMATION OF THE EUROPEAN UNION’S SECURITY POLICY IN THE CONTEXT OF RUSSIAN AGGRESSION AGAINST UKRAINE: INSTITUTIONAL AND CONCEPTUAL DIMENSIONS. Current Problems of Sustainable Development, [S. l.], v. 2, n. 5, p. 220–234, 2025. DOI: 10.60022/2(5)-26S. Disponível em: https://journals.csr.com.ua/index.php/sustainability/article/view/157. Acesso em: 26 jun. 2026.