Roszko-Wójtowicz, Elżbieta, Klaudia Przybysz, and Agnieszka Stanimir. “Differences in seniors’ Standard of Living and Their Impact on the Development of the Silver Economy across Europe”. Bulletin of Geography. Socio-economic Series, no. 66 (December 3, 2024): 57–72. Accessed January 21, 2025. https://apcz.umk.pl/BGSS/article/view/53910.