DZIKIEWICZ-GAZDA, Urszula; MIKOŁAJCZAK-WOŹNIAK, Małgorzata; REINHARD, Karolina. Professor Robert Kwaśnica: A Tribute. INSTED: Interdisciplinary Studies in Education & Society, [S. l.], v. 21, n. Specjalny, p. 7–10, 2018. Disponível em: https://insted-tce.pl/ojs/index.php/tce/article/view/166. Acesso em: 22 apr. 2025.