УТКІНА, О. Formation of a specific biological cycle in young skiers-racers and biathletes 11–15 years, depending on the level and direction of physical activity. Slobozhanskyi Herald of Science and Sport, [S. l.], n. 3(71), p. 61–66, 2019. DOI: 10.15391/snsv.2019-3.010. Disponível em: https://journals.uran.ua/index.php/1991-0177/article/view/171345. Acesso em: 3 may. 2024.