Rachwał, Tomasz. “Research Issues of the Function of Entrepreneurship in the Socio-Economic Development of Spatial Systems in Polish Economic Geography”. Studies of the Industrial Geography Commission of the Polish Geographical Society 32, no. 4 (November 27, 2018): 149–162. Accessed December 21, 2024. https://prace-kgp.uken.krakow.pl/article/view/20801653.324.9.