Abduhakimovich, K. K., N. D. Abdullayevich, U. S. Fakhrutdinovna, and Y. B. Umarovich. “Reasons of Body Fatigue During Sports”. International Journal of Discoveries and Innovations in Applied Sciences, vol. 1, no. 6, Dec. 2021, pp. 145-8, https://openaccessjournals.eu/index.php/ijdias/article/view/710.