MENDOZA-RIVERA, R. J.; GARCÍA-PÉREZ, L. E.; JIMÉNEZ PRECIADO, A. L. Bull vs. Bear Oil & Gas Leveraged Exchange Traded Fund: A Rolling Risk-Performance. Revista Mexicana de Economía y Finanzas Nueva Época REMEF, [S. l.], v. 15, n. 4, p. 647–664, 2020. DOI: 10.21919/remef.v15i4.499. Disponível em: https://sgr-remef.remef.org.mx/index.php/remef/article/view/499. Acesso em: 31 ene. 2025.