Grigan S.A., Raskita E.P., Sorokin V.A., and Chebanova R.A. “High-Intense Training for Swimmers: Features of Planning and Organization”. Theory and Practice of Physical Culture, no. 5 (June 7, 2024): 13–15. Accessed July 22, 2024. http://tpfk.ru/index.php/TPPC/article/view/1013.