Kowerski, Mieczysław. “Abstract of Andrzej Jakubowski, Andrzej Miszczuk, Bogdan Kawałko, Tomasz Komornicki, and Roman Szul: The EU’s New Borderland. Cross-Border Relations and Regional Development”. Regional Barometer. Analyses & Prognoses 14, no. 4 (February 16, 2017): 203–204. Accessed May 13, 2025. https://czaz.akademiazamojska.edu.pl/index.php/br/article/view/482.