MALEWSKI, Mieczysław. On the External and Internal Boundaries in Adult Education Studies. INSTED: Interdisciplinary Studies in Education & Society, [S. l.], v. 19, n. 3(75), p. 9–39, 2016. Disponível em: https://insted-tce.pl/ojs/index.php/tce/article/view/272. Acesso em: 29 apr. 2024.