Salakhova, Valentina B., Elena Y. Pryazhnikova, Aleksandr V. Litvinov, Bogdan S. Vasyakin, and Liubov V. Zasova. 2021. “Physical and Mental Health of Educational Environment As a Factor in Providing the National Security of the Russian Federation: An Empirical Research”. Journal of Human Sport and Exercise 16 (3proc):S1260-S1271. https://doi.org/10.14198/jhse.2021.16.Proc3.42.