The Effect of Underhand Passing Variation Training on Forearm Passing Skills in Volleyball Extracurricular Students at SMA Negeri 8 Palembang. COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga, [S. l.], v. 17, n. 3, p. 2929–2936, 2025. DOI: 10.26858/cjpko.v17i3.416. Disponível em: http://competitor.ojsunm.ac.id/index.php/competitor/article/view/416. Acesso em: 7 dec. 2025.