Луценко, Л., Артемьева, Г., & Чичкунова, М. (2017). Fundamental factors of long-term criteria and selection of children at the first stage of multi-year sports training in gymnastics and dance sports. Slobozhanskyi Herald of Science and Sport, (5(61), 64–68. https://doi.org/10.15391/snsv.2017-5.011