Попович [Popovych О.] О. І. Historical aspects of becoming of national system of physical education of population of Ukraine. Slobozhanskyi Herald of Science and Sport, [S. l.], n. 5-2(33), p. 152–156, 2012. Disponível em: https://journals.uran.ua/index.php/1991-0177/article/view/21899. Acesso em: 9 may. 2024.