ŚWITALSKI, Wojciech. Individual achievements of senior citizens in sports bridge in Poland. Exlibris Social Gerontology Journal, [S. l.], v. 21, n. 2, p. 51–69, 2022. Disponível em: https://ojs.wsb.edu.pl/index.php/bgs/article/view/845. Acesso em: 20 sep. 2026.