QUSAY, W.; FARIS, L. An Analysis of some motor variables of butterfly stroke and their relationship to success in the 50-meter butterfly race for national team swimmers (candidate category). Journal of Physical Education, [S. l.], v. 34, n. 4, p. 451–464, 2022. DOI: 10.37359/JOPE.V34(4)2022.1364. Disponível em: https://jcope.uobaghdad.edu.iq/index.php/jcope/article/view/1364. Acesso em: 2 apr. 2023.