The Effect of a Combination of Plyometric Hurdle Jump and Jump Box Training on Improving Vertical Jump in Volleyball Athletes. COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga, [S. l.], v. 18, n. 2, p. 3085–3090, 2026. DOI: 10.26858/cpjok.v18i2.794. Disponível em: https://competitor.idjournal.eu/index.php/competitor/article/view/794. Acesso em: 1 jun. 2026.