The Effect of the Application of Circuit Training Exercises  in Increasing Freestyle Swimming Leg Speed. Journal Coaching Education Sports, [S. l.], v. 7, n. 1, p. 162–174, 2026. DOI: 10.31599/b3e0dv22. Disponível em: https://ejurnal.ubharajaya.ac.id/index.php/JCESPORTS/article/view/5409.. Acesso em: 18 may. 2026.