M. Benio, “On demographic changes, retirement age, prolongation and gradual reduction of the Poles’ economic activity, and the threat of social exclusion of the elderly: An interview with Professor Maciej Żukowski, the president of the Polish Social Insurance Association, and the pro-vice-chancellor for science and international cooperation of the Poznań Economic University”, PG, vol. 20, no. 2, pp. 77–82, Mar. 2013, Accessed: Nov. 23, 2024. [Online]. Available: https://publicgovernance.pl/zpub/article/view/230