Zabielska, Izabela, Jarosław M. Nazarczuk, Magdalena Wojarska, and Joanna Zielińska-Szczepkowska. “Determinants of Cross-Border Activity in the SME Sector of Eastern EU Border Regions before the Pandemic”. Quaestiones Geographicae 45, no. 2 (June 29, 2026): 65–82. Accessed September 3, 2026. https://presstoarch.amu.edu.pl/index.php/qg/article/view/55195.