Rachwał, Tomasz, and Joanna Dominiak. “Changes in Industry and Services Sectors in Poland During the COVID-19 Pandemic”. Quaestiones Geographicae 41, no. 4 (December 30, 2022): 41–56. Accessed November 23, 2024. https://pressto.amu.edu.pl/index.php/qg/article/view/36824.