Improving student achievement through evaluation of volleyball training program: A case study at SMAN 1 Kadupandak. Educenter : Jurnal Ilmiah Pendidikan, [S. l.], v. 5, n. 1, p. 8–18, 2025. DOI: 10.55904/26n3dm21. Disponível em: https://jurnal.arkainstitute.co.id/index.php/educenter/article/view/1869. Acesso em: 17 apr. 2026.