И. Е. Пономарев and В. И. Тютюнников, “MULTILEVEL SYSTEM FOR ORGANIZING THE PHYSICAL EDUCATION OF YOUTH IN THE CONTEXT OF THE IMPLEMENTATION OF HEALTH-SAVING TECHNOLOGIES”, ГМУ_УЗ, vol. 1, no. 1, pp. 246–250, Jan. 2020, doi: 10.22394/2079-1690-2020-1-1-246-250.