Muslim M, Nawir N, Jalal D. HUBUNGAN KEMATANGAN PSIKOLOGIS DAN LAMA LATIHAN TERHADAP PRESTASI ATLET OLAHRAGA BELA DIRI. JOKI [Internet]. 2020 Dec. 31 [cited 2026 Sep. 22];1(1):16-22. Available from: https://jurnal.stokbinaguna.ac.id/index.php/JOK/article/view/294