PAMUNGKAS, Baruno Tri; MESTERJON, Mesterjon; FEBRIANTI , Mariska. The Relationship between Abdominal Muscle Strength and Jump Service Skills in Volleyball Extracurricular at SMKN 06 Mukomuko Regency. Sinar Sport Journal, [S. l.], v. 1, n. 2, p. 121 – 134, 2021. DOI: 10.53697/ssj.v1i2.324. Disponível em: https://penerbitadm.pubmedia.id/index.php/SSJ/article/view/324. Acesso em: 4 may. 2025.