1. The Analysis of the Organisation of Railway Passenger Transport on the Liberalised Market;Abramović;Road and Rail Infrastructure,2018
2. Banija., 2019. https://banija.rs/banija/15481-petrinja-i-dalje-ceka-svoj-vlak-iz-siska.html.
3. Brezina, T., Abramović, B., Shibayama, T., Jelisić, S., Šipuš, D., Zlokapa, B., 2018. Barriers to trans-national passenger rail services in the Western Balkans - The quantitative background. In Proceedings of the Fourth International Conference on Traffic and Transport Engineering, 717–724. City Net Scientific Research Center Ltd. Belgrade.
4. Impact of the economic situation in the Slovak Republic on performances of railway transport;Danis;Periodica Polytechnica Transportation Engineering,2019
5. Quality Evaluation in Regional Passenger Rail Transport;Gašparik;Nase More,2015