Ashanin, V. ., Pyatisotska, S. ., Zhernovnikova, Y., Yefremenko, A., Beziazychna, O., & Duhina, L. . (2021). Features of physical development of athletes as the basis for differentiation of loads in the training process of young kickboxers. Slobozhanskyi Herald of Science and Sport, (1(81), 59–65. https://doi.org/10.15391/snsv.2021-1.008