Jankiewicz, Mateusz. „Regional Economic Growth and Unemployment in the European Union – a Spatio-Temporal Analysis at the NUTS-2 Level (2013–2019)”. Hungarian Geographical Bulletin 72, no. 2 (június 30, 2023): 179-192. Elérés október 29, 2025. https://ojs.mtak.hu/index.php/hungeobull/article/view/9035.