Kulbaka, Jacek, and Mieczysław Dudek. “Outlining the History of Special Education. The Magnitude and Outcomes of Criminal Ideologies towards Disabilities in the 20th Century”. Pedagogical Forum 12, no. 1 (October 17, 2022): 71–86. Accessed May 18, 2024. https://czasopisma.uksw.edu.pl/index.php/fp/article/view/10565.