The effect of the standardized fartlek training method in developing transitional speed and some basic skills for indoor soccer players. Damu Journal of Sport Sciences, [S. l.], v. 1, n. 4, p. 434–444, 2024. Disponível em: https://damujss.com/index.php/home/article/view/176.. Acesso em: 28 feb. 2026.