Komang Satu Dik Putra, Ilham Arvan Junaidi, and Endie Riyoko. 2025. “Physical Fitness Level of Volleyball Extracurricular Students at SMK Negeri 4 Palembang: The Effects of Depth Jumps and Jumps to Box Training on Leg Muscle Explosive Power”. Musamus Journal of Physical Education and Sport (MJPES) 7 (3), 300-307. https://ejournal.unmus.ac.id/index.php/physical/article/view/7107.