بجاي امتثال. Analyzing and measuring the joint costs of petroleum products and showing their impact on profits: Applied research in Aldora refinery. Enterprenuership Journal For Finance and Bussiness, Baghdad, Iraq, v. 6, n. 3, p. 57–68, 2025. DOI: 10.56967/ejfb2025532. Disponível em: https://nejfb.edu.iq/index.php/ejfb/article/view/532. Acesso em: 26 2025.