RIZKI, Rio Widiansyah; BANAT , Azizatul; ANGGARA, Deffri. Efforts In Improving Serve Learning Outcomes Using Exercises Variation On Volleyball Games At SD 228 Of North Bengkulu Regency. Sinar Sport Journal, [S. l.], v. 2, n. 2, p. 71–76, 2022. DOI: 10.53697/ssj.v2i2.1127. Disponível em: https://penerbitadm.pubmedia.id/index.php/SSJ/article/view/1127. Acesso em: 4 may. 2025.