The Effect of Arm Muscle Strength Training and Eye-Hand Coordination on Top Service Results  in Volleyball Junior Athletes. COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga, [S. l.], v. 17, n. 2, p. 1578–1586, 2025. DOI: 10.26858/cjpko.v17i2.145. Disponível em: https://competitor.idjournal.eu/index.php/competitor/article/view/145. Acesso em: 18 jul. 2025.