RENO, Reno; SUKENDRO, Sukendro; MUZAFFAR, Ahmad. The Effect of Harness Training Variations on the Speed of Spartan Athletic Club Jambi Sprint Athletes. Jurnal Pendidikan Jasmani (JPJ), [S. l.], v. 5, n. 3, p. 287–295, 2025. DOI: 10.55081/jpj.v5i3.3734. Disponível em: https://jurnal.stokbinaguna.ac.id/index.php/JPJ/article/view/3734. Acesso em: 6 nov. 2026.