DĘBSKA, Agnieszka, ZAWADZKA, Agnieszka, UNIEJEWSKA, Sylwia and SŁOMA, Dorota. Psychopathology of mental and behavioral disorders in people with intellectual disability. Journal of Education, Health and Sport. Online. 18 September 2020. Vol. 10, no. 9, pp. 422-430. [Accessed 25 April 2025]. DOI 10.12775/JEHS.2020.10.09.050.