The Vanishing Curse: Crude Oil. Global Journal of Science Frontier Research, [S. l.], v. 22, n. H8, p. 1–14, 2023. DOI: 10.34257/GJSFRHVOL22IS8PG1. Disponível em: https://testing.journalofscience.org/index.php/GJSFR/article/view/102593. Acesso em: 4 feb. 2026.