Authors
Kristián Čulík
Faculty of Operation and Economics of Transport and Communications, University of Žilina, Univerzitná, Žilina;, Slovakia
Vladimíra Čulíková
Faculty of Operation and Economics of Transport and Communications, University of Žilina, Univerzitná, Žilina;, Slovakia
Lucia Švábová
Faculty of Operation and Economics of Transport and Communications, University of Žilina, Univerzitná, Žilina;, Slovakia
Marek Ďurica
Faculty of Operation and Economics of Transport and Communications, University of Žilina, Univerzitná, Žilina;, Slovakia
Alica Kalašová
Faculty of Operation and Economics of Transport and Communications, University of Žilina, Univerzitná, Žilina;, Slovakia