ZYCH, Adam A. 25th Anniversary of the Polish University of the Third Age in Lviv . INSTED: Interdisciplinary Studies in Education & Society, [S. l.], v. 22, n. 3(87), p. 105–110, 2019. DOI: 10.34862/tce.2019.3.6. Disponível em: https://insted-tce.pl/ojs/index.php/tce/article/view/81. Acesso em: 27 jun. 2025.