IMPACT OF COVID-19 PANDEMIC ON THE USE OF RAIL TRANSPORT SERVICES IN SLOVAKIA. Perner’s Contacts, [S. l.], v. 17, n. 1, 2022. DOI: 10.46585/pc.2022.1.2311. Disponível em: https://ojs-demo.upce.cz/index.php/perner/article/view/2311. Acesso em: 2 mar. 2026.