Yakhin, D, A Belenkov, A Episheva, E Sumak, and T Yakhina. “ISSUES OF MASTERS SPORT AND THE WAYS TO SOLVE THEM (BASED ON THE EXAMPLE OF TRACK-AND-FIELD)”. Human. Sport. Medicine 20, no. S1 (October 13, 2020): 36-45. Accessed November 9, 2025. https://hsm.susu.ru/hsm/en/article/view/966.