Fursov, A.V., and N.I. Sinyavsky. “Online Service ‘sportreserve’ As an Effective Resource for Monitoring the Physical Fitness of Students”. Theory and Practice of Physical Culture, no. 6 (July 2, 2022): 50–51. Accessed July 22, 2024. http://tpfk.ru/index.php/TPPC/article/view/248.