Chermit K.D., Kuprina N.K., Klimenko A.A., and Zabolotniy A.G. “Assessment of Locomotion: Binary Interaction of Features in Children Aged 5-6 Years”. Theory and Practice of Physical Culture, no. 11, Jan. 2025, pp. 70-72, http://tpfk.ru/index.php/TPPC/article/view/1182.