KOMANG SATU DIK PUTRA; ILHAM ARVAN JUNAIDI; ENDIE RIYOKO. 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), v. 7, n. 3, p. 300-307, 10 Jun. 2025.