Urbaniak, Anna. “Aging in an Urban Environment in Poland at the Beginning of the Twenty-First Century—Demographics and Social Aspects”. Krakow Review of Economics and Management/Zeszyty Naukowe Uniwersytetu Ekonomicznego w Krakowie, no. 3(963) (September 30, 2017): 103–122. Accessed September 19, 2024. https://krem.uek.krakow.pl/index.php/krem/article/view/1356.