SIKORSKI, JACEK. “The Assessment of Progress in Acquiring the Basic School Skills by the Student With a Moderate Intellectual Disability”. Interdyscyplinarne Konteksty Pedagogiki Specjalnej, no. 22 (September 15, 2018): 323–338. Accessed October 19, 2024. https://pressto.amu.edu.pl/index.php/ikps/article/view/21209.