Shatskaya, A.N., A.N. Veraksa, and A.Y. Fominykh. “Correlation of Primary students’ Physical Activity and Progress in Regulatory Functions”. Theory and Practice of Physical Culture, no. 3 (April 5, 2022): 52–54. Accessed February 2, 2025. http://tpf1610220.nichost.ru/index.php/TPPC/article/view/168.