Authors
Zdenka Bulková
Faculty of Operation and Economics of Transport and Communications, University of Žilina
Lenka Černá
Faculty of Operation and Economics of Transport and Communications, University of Žilina
© 2023 Zdenka Bulková, Lenka Černá, published by Univesity of Žilina
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.