HAAR, L. A financial option perspective on OPEC strategy. Turkish Economic Review, [S. l.], v. 6, n. 1, p. 1–13, 2019. DOI: 10.1453/ter.v6i1.1848. Disponível em: https://journals.econsciences.com/index.php/TER/article/view/1848. Acesso em: 22 nov. 2024.