MARTIN, Ullrich. About the Necessity of a Comprehensive Evaluation of the Transportation System. Promet - Traffic&Transportation, [S. l.], v. 13, n. 2-3, p. 183–186, 2012. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/1947. Acesso em: 27 aug. 2025.