VICTORINO, T.; BERTUSSI, G. The efficiency of railway concessions and the regulation of service quality. Journal of Applied Research and Technology, [S. l.], v. 21, n. 6, p. 921–934, 2023. DOI: 10.22201/icat.24486736e.2023.21.6.2014. Disponível em: https://jart.icat.unam.mx/index.php/jart/article/view/2014. Acesso em: 9 may. 2025.