Evseev S.P., Nenakhov I.G., Shelekhov A.A., and Aksenov A.V. “Attitude of Junior Schoolchildren and Parents to the Recommended Volume of Weekly Motor Activity”. Theory and Practice of Physical Culture, no. 9 (December 24, 2024): 47–49. Accessed January 22, 2025. http://tpfk.ru/index.php/TPPC/article/view/1122.