Authors
Eva Kicová
University of Žilina, Faculty of Operation and Economics of Transport and Communications, Department of Economics, Žilina, Slovakia
Oľga Poniščiaková
olga.ponisciakova@fpedas.uniza.sk
University of Žilina, Faculty of Operation and Economics of Transport and Communications, Department of Economics, Žilina, Slovakia
Piotr Gorzelanczyk
Staniław Staszic University of Applied Sciences in Piła, Department of transportation, Poland