Upstream Attractiveness of the Brazilian Oil and Natural Gas Sector: An Assessment based on the Stakeholders#x2019; Perceptions. Global Journal of Management and Business Research, [S. l.], v. 20, n. G4, p. 1–18, 2020. Disponível em: https://testing.journalofbusiness.org/index.php/GJMBR/article/view/101944. Acesso em: 4 feb. 2026.