Pilichowska, Paulina. “Human Capital As a Condition for the Development of Industry 4.0 in the European Union Countries”. Studies of the Industrial Geography Commission of the Polish Geographical Society 35, no. 2 (June 29, 2021): 9–26. Accessed April 29, 2024. https://prace-kgp.uken.krakow.pl/article/view/7630.