ZIOŁO, Z.; KILAR, W. Transformations in the sector of transport and tourism services. Studies of the Industrial Geography Commission of the Polish Geographical Society, [S. l.], v. 33, n. 3, 2019. Disponível em: https://prace-kgp.uken.krakow.pl/article/view/5450. Acesso em: 3 may. 2024.