Kostyukov, V., B. Kurdyukov, O. Kostyukova, T. Mosol, and N. Tyutyunnikova. “AGE-RELATED CHANGES IN PHYSICAL FITNESS IN GIRLS INVOLVED IN BEACH VOLLEYBALL IN SCHOOL SETTINGS”. Human. Sport. Medicine, Vol. 22, no. 2, Sept. 2022, pp. 120-5, doi:10.14529/hsm220214.