“The Effect of Jump To Box Plyometric Training On The Explosive Power of Leg Muscles In Volleyball Players”. COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga 18, no. 1 (February 10, 2026): 0452–0460. Accessed February 10, 2026. https://competitor.idjournal.eu/index.php/competitor/article/view/598.