Michalik M, Milewski S, Kaczorowska-Bray K, Solak A. The pace of speech of people with a moderate intellectual disability (as compared to the people within the intellectual norm and with a mild intellectual disability). PJUWM [Internet]. 2020 Feb. 27 [cited 2024 May 2];22(2):143-57. Available from: https://czasopisma.uwm.edu.pl/index.php/pj/article/view/5245