Spychała, Joanna, and Marcin Spychała. “Significance of the EU Funds in Regional Development on the Example of NUTS-3 Units in Poland”. Research Papers in Economics and Finance 5, no. 1 (December 31, 2021): 22–37. Accessed November 5, 2024. https://journals.ue.poznan.pl/REF/article/view/137.