Kurkiewicz, J. and Soja, E. (2016) “Ageing and Informal Support for the Elderly in Selected European Countries”, Krakow Review of Economics and Management/Zeszyty Naukowe Uniwersytetu Ekonomicznego w Krakowie, (11(947), pp. 5–17. doi:10.15678/ZNUEK.2015.0947.1101.