A.M. Mamytov, and O.V. Koptev. 2021. “Comparison of Performance and Competitive Performance Judoists Ii (13-14 Years) and III (15-17 Years) Age Groups”. Global Journal of Medical Research 21 (K5):37-42. https://medicalresearchjournal.org/index.php/GJMR/article/view/2482.