Segal I.V., Deryabina M.A., Kiryakova O.S., and Nevyantseva Yu.S. “Implementation of an Individually Differentiated Approach in Training Runners”. Theory and Practice of Physical Culture, no. 3 (March 27, 2024): 22–24. Accessed February 8, 2025. http://tpf1610220.nichost.ru/index.php/TPPC/article/view/967.