NAVARRO CHÁVEZ, J. C. L.; DELFÍN ORTEGA, O. V.; GUARDADO IBARRA, E. Economic Efficiency of the Main Oil Producing Countries in Upstream Sector in the Period 2010-2017. Revista Mexicana de Economía y Finanzas Nueva Época REMEF, [S. l.], v. 17, n. 2, p. e718, 2021. DOI: 10.21919/remef.v17i2.718. Disponível em: https://sgr-remef.remef.org.mx/index.php/remef/article/view/718. Acesso em: 31 ene. 2025.