Świerczyńska, Jowita. “The Importance of Border Surveillance and Border Traffic Control at the Eastern Border of the Republic of Poland to the Cross-Border Security of the European Union”. Central European Review of Economics & Finance 44, no. 3 (December 31, 2023): 153–174. Accessed September 16, 2024. https://journals.economic-research.pl/ceref/article/view/2952.