EVALUATION OF SOCIAL COSTS OF DEPENDENT AND INDEPENDENT TRACTION IN RAILWAY FREIGHT TRAFFIC IN SLOVAKIA. Perner’s Contacts, [S. l.], v. 10, n. 1, p. 86–94, 2015. Disponível em: https://ojs-demo.upce.cz/index.php/perner/article/view/592. Acesso em: 3 mar. 2026.