Kozak, Marek. “Between Old and New Paradigm: Challenges for Polish Regions 2014–2020”. Regional Barometer. Analyses & Prognoses 13, no. 4 (December 17, 2015): 15–20. Accessed November 8, 2024. https://czaz.akademiazamojska.edu.pl/index.php/br/article/view/699.