The Effect of a Combination of Plyometric Hurdle Jump and Jump Box Training on Improving Vertical Jump in Volleyball Athletes. Compet. J. Pendidik. Kepelatihan Olahraga [Internet]. 2026 May 25 [cited 2026 Jun. 1];18(2):3085-90. Available from: https://competitor.idjournal.eu/index.php/competitor/article/view/794