Kędzior, Dorota, and Marcin Kędzior. “Determinants of SME Profitability in the Service Sector: An Empirical Investigation from Poland”. International Entrepreneurship Review 9, no. 4 (December 29, 2023): 59–71. Accessed September 8, 2024. https://ier.uek.krakow.pl/index.php/pm/article/view/2170.