Шевченко [Shevchenko Oleg] О. О. . Changing the parameters of the visual analyzer in children 5–6 years of playing tennis. Slobozhanskyi Herald of Science and Sport, [S. l.], n. 4(37), p. 111–114, 2013. Disponível em: https://journals.uran.ua/index.php/1991-0177/article/view/21014. Acesso em: 4 jul. 2024.