Saputra, Muh. Rizky, and Ahmad Rum Bismar. “The Contribution of Arm Muscle Strength and Leg Muscle Explosive Power to Breaststroke Swimming Speed for a Distance of 20 Meters”. Journal of Sport Education, Coaching, and Health (JOCCA) 4, no. 1 (March 21, 2023): 54-61. Accessed February 18, 2026. https://jurnal.sainsglobal.com/index.php/jc/article/view/1581.