E.N. Bobkova, L.V. Vinogradova, E.A. Zyurin, and E.N. Petruk. “Prospects for the Development of the Vfsk GTO, Taking into Account the Monitoring Data of Test Results”. Theory and Practice of Physical Culture, no. 4 (April 27, 2023): 72–75. Accessed March 14, 2025. http://tpf1610220.nichost.ru/index.php/TPPC/article/view/582.