Parfenova, L. ., E. . Burtseva, and R. . Giniyatullin. “Methods for Evaluating the Effectiveness of Sports and Correctional Activities for Children With Intellectual Disabilities”. Theory and Practice of Physical Culture, no. 7, Sept. 2026, pp. 77-78, http://www.tpfk.ru/index.php/TPPC/article/view/1739.