NYANGARIKA, A. M.; MIKHAYLOV, A. Y.; TANG, B.- jun. Correlation of Oil Prices and Gross Domestic Product in Oil Producing Countries. International Journal of Energy Economics and Policy, [S. l.], v. 8, n. 5, p. 42–48, 2018. Disponível em: https://econjournals.com/index.php/ijeep/article/view/6802. Acesso em: 20 apr. 2024.