CANTAVELLA, M. Fluctuations of Oil Prices and Gross Domestic Product in Spain. International Journal of Energy Economics and Policy, [S. l.], v. 10, n. 2, p. 57–63, 2020. Disponível em: https://econjournals.com/index.php/ijeep/article/view/8806. Acesso em: 2 may. 2024.