Zashchirinskaia, Oksana V. “Study of the Understanding of Gestural Communication in Children With Intellectual Disabilities in the Dynamics of Psychological Impact”. Journal of Intellectual Disability - Diagnosis and Treatment 8, no. 4 (December 27, 2020): 619–632. Accessed April 29, 2024. https://www.lifescienceglobal.com/pms/index.php/jiddt/article/view/6941.