Kogan O.S., Yamileva R.M., and Greb A.V. “Sanitary and Hygienic Conditions for Effective Sports Activities of Players”. Theory and Practice of Physical Culture, no. 12 (December 28, 2023): 13–17. Accessed November 22, 2024. http://tpfk.ru/index.php/TPPC/article/view/850.