Benio M. 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 [Internet]. 2013 Mar. 1 [cited 2024 Nov. 23];20(2):77-82. Available from: https://publicgovernance.pl/zpub/article/view/230