PIWNICKI, Grzegorz. The future of social security in the European Union in the global realities of the 21st century through the prism of mega-trend to minimise labour and automation costs. Cywilizacja i Polityka, [S. l.], n. 14, p. 327–344, 2016. Disponível em: https://czasopisma.bg.ug.edu.pl/index.php/cywilizacja/article/view/9446. Acesso em: 17 may. 2024.