Bartak, Jakub, Dariusz Firszt, Marek Jabłoński, and Łukasz Jabłoński. “The Quality of Selected Municipal Services During the COVID-19 Pandemic in the Opinion of Students of Cracow Universities”. Economics and Environment 78, no. 3 (November 10, 2020): 92–105. Accessed December 27, 2024. https://ekonomiaisrodowisko.pl/journal/article/view/385.