OBADI, S. M.; KORCEK, M. Quantifying the Energy Security of Selected EU Countries. International Journal of Energy Economics and Policy, [S. l.], v. 10, n. 2, p. 276–284, 2020. Disponível em: https://www.econjournals.com/index.php/ijeep/article/view/8847. Acesso em: 4 may. 2024.