VELÁSQUEZ HENAO, J. D.; OLAYA MORALES, Y.; FRANCO CADENA, C. J. Evidence of structural changes in the average monthly price of West Texas Intermediate (WTI) Oil. Cuadernos de Administración, [S. l.], v. 22, n. 38, 2009. Disponível em: https://revistas.javeriana.edu.co/index.php/cuadernos_admon/article/view/3873. Acesso em: 17 jul. 2024.