THE EFFECT OF RESISTANCE BAND TRAINING ON IMPROVING OVERHEAD VOLLEYBALL SERVE SKILLS IN THE EXTRACURRICULAR PROGRAM AT SDN BANGSRI SUKODONO. Journal Sports Exercise Science International (SESI), [S. l.], v. 1, n. 1, p. 19–27, 2025. Disponível em: https://sesi.karirpublisher.org/index.php/sesi/article/view/16. Acesso em: 22 feb. 2026.