Analyzing and measuring the joint costs of petroleum products and showing their impact on profits: Applied research in Aldora refinery. Entrepreneurship Journal for Finance and Business, [S. l.], v. 6, n. 3, p. 57–68, 2025. DOI: 10.56967/ejfb2025532. Disponível em: https://ejfb.journalpath.com/ejfb/article/view/70. Acesso em: 21 jul. 2026.