KIRENKO, Janusz and PROKOPIAK, Anna. ABAS-3 and the PAC-1 in the Study of Adaptive Behaviour of Children and Adolescents with Deeper Intellectual Disabilities. Przegląd Badań Edukacyjnych (Educational Studies Review). Online. 30 December 2020. Vol. 2, no. 31, pp. 43-60. [Accessed 1 July 2024]. DOI 10.12775/PBE.2020.018.