ШЕЙКО, Л. В. Peculiarities of a backstroke swimming technique acceleration in elementary education. Slobozhanskyi Herald of Science and Sport, [S. l.], n. 1(51), p. 112–116, 2016. DOI: 10.15391/snsv.2016-1.019. Disponível em: https://journals.uran.ua/index.php/1991-0177/article/view/61286. Acesso em: 30 apr. 2024.