The effectiveness of the remix jump program on cardiovascular endurance in elementary school students. Jurnal SPORTIF : Jurnal Penelitian Pembelajaran, [S. l.], v. 12, n. 1, p. 1–14, 2026. DOI: 10.29407/js_unpgri.v12i1.27728. Disponível em: https://ojs.unpkediri.ac.id/index.php/pjk/article/view/27728. Acesso em: 3 aug. 2026.