JUITA, Ardiah; SYAHRIADI; ASPA, Agus Prima. HUBUNGAN SELF-CONFIDENT TERHADAP PEAK PERFORMANCE ATLET SEPAKBOLA KUANSING SOCCER SCHOOL. Jurnal Ilmiah STOK Bina Guna Medan, [S. l.], v. 10, n. 2, p. 63–72, 2022. DOI: 10.55081/jsbg.v10i2.683. Disponível em: https://jurnal.stokbinaguna.ac.id/index.php/JSBG/article/view/683. Acesso em: 6 nov. 2026.