MOSTAFA, R. THE ECONOMIC IMPORTANCE OF MIDDLE EAST OIL. دراسات في الاقتصاد والتجارة , [S. l.], v. 3, n. 1, 1967. DOI: 10.37376/deb.v3i1.1529. Disponível em: https://journals.uob.edu.ly/DEB/article/view/1529. Acesso em: 29 2025.