Roszko-Wójtowicz, Elżbieta, Justyna Tora, Justyna Mokras-Grabowska, Aleksandra Mroczek-Żulicka, and Maria M. Grzelak. Poles on the Move After the Pandemic. Motivations, Determinants and Patterns of Travel Activity. Poland: Lodz University Press, 2025. Accessed January 22, 2026. https://www.press.uni.lodz.pl/index.php/wul/catalog/book/1582.