Improving the Learning Outcomes of Underhand Passing of Grade V Students of SDN Margomulyo IV in Volleyball Learning Through the Paired Ball Drill Method. COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga, [S. l.], v. 17, n. 2, p. 821–830, 2025. DOI: 10.26858/cjpko.v17i2.25. Disponível em: https://competitor.idjournal.eu/index.php/competitor/article/view/25. Acesso em: 18 jul. 2025.