Saikina, E. ., L. . Eydelman, Y. . Smirnova, and A. . Ovchinnikova. “Effectiveness of the Introduction of children’s Fitness Technologies into the Training Process of Sports Sessions With Children of Preschool Age”. Theory and Practice of Physical Culture, no. 8, Sept. 2026, pp. 78-82, http://tpfk.ru/index.php/TPPC/article/view/1761.