AHMED ZITOUT, SAMIR GHOUINI. Energy Security in European Union -Opportunities and Challenges. European Economic Letters (EEL), [S. l.], v. 14, n. 4, p. 990–996, 2024. Disponível em: https://www.eelet.org.uk/index.php/journal/article/view/2223. Acesso em: 23 mar. 2025.