@ARTICLE{
author={Simovic Sreten,Ivanisevic Tijana V,Bradic Bojana,Cicevic Svetlana J,Trifunovic Aleksandar V},
year={2021},
title={What Causes Changes in Passenger Behavior in South-East Europe during the COVID-19 Pandemic?},
journal={SUSTAINABILITY},
volume={13},
number={15},
pages={-},
document_type={Article},
}