WITKOWSKA, D.; KOMPA, K. Income Level and Population Aging Impact on Retirement Savings in OECD Countries. Metody Ilościowe w Badaniach Ekonomicznych, [S. l.], v. 25, n. 1, p. 31–42, 2024. DOI: 10.22630/MIBE.2024.25.1.4. Disponível em: https://qme.sggw.edu.pl/article/view/9755. Acesso em: 21 lis. 2024.