Kapela, Magdalena, and Eugeniusz Kwiatkowski. 2024. “Regional Wage Differentiation and Qualitative Determinants of Economic Development: Evidence from Poland”. Krakow Review of Economics and Management Zeszyty Naukowe Uniwersytetu Ekonomicznego W Krakowie, no. 3(1001) (January): 47-65. https://doi.org/10.15678/ZNUEK.2023.1001.0303.