@ARTICLE{
author={Kastratovic Radovan M,Popovic-Petrovic Ivana,Bjelic Predrag},
year={2025},
title={Barriers to exports of travel services: the role of visa regimes},
journal={ARGUMENTA OECONOMICA},
volume={55},
number={2},
pages={64-83},
document_type={Article},
} 

@ARTICLE{
author={Popovic-Petrovic Ivana},
year={2023},
title={The Role of Trade Policy in Enabling Access to Covid-19 Vaccines},
journal={INTERNATIONAL REVIEW},
volume={},
number={3-4},
pages={223-230},
document_type={Review},
}