Kopeć, Danuta. „The Pretence in Education of People With Profound Intellectual and Multiple Disabilities“. Kultura-Społeczeństwo-Edukacja 18, no. 2 (Dezember 30, 2020): 99–113. Zugegriffen Oktober 20, 2024. https://pressto.amu.edu.pl/index.php/kse/article/view/27723.