Bartnikowska, U. ., K. Ćwirynkało, and B. Borowska-Beszta. “A Pattern of Transition to Adulthood Indicated in Plans for the Future of Males With Intellectual Disabilities: Secondary Qualitative Data Analysis”. Psycho-Educational Research Reviews, vol. 6, no. 1, Apr. 2017, pp. 51-66, https://perrjournal.com/index.php/perrjournal/article/view/285.