ŚLIWERSKI, Bogusław. The Tendencies of the Author of "The Nihilist Tendencies on General Pedagogy". INSTED: Interdisciplinary Studies in Education & Society, [S. l.], v. 21, n. 2(82), p. 137–144, 2018. Disponível em: https://insted-tce.pl/ojs/index.php/tce/article/view/351. Acesso em: 8 jun. 2025.