Sahabuddin, Sahabuddin, and Muhammad Ishak. “The Effect Of Obstacle Jumping Practice And Jumping Up Practice On Smash Skills In Volleyball Games”. Journal of Sport Education, Coaching, and Health (JOCCA) 5, no. 2 (June 5, 2024): 124-131. Accessed February 6, 2026. https://jurnal.sainsglobal.com/index.php/jc/article/view/2497.