VERGARA, M. Technical note for estimating stochastic frontiers: an application to Chilean banking. Estudios de Administración, [S. l.], v. 13, n. 2, p. 47–66, 2006. DOI: 10.5354/0719-0816.2006.56453. Disponível em: https://revistas.uchile.cl/index.php/EDA/article/view/56453. Acesso em: 2 may. 2024.