Self-confidence, motivation, and concentration as predictors of perceived futsal knowledge in physical education students. Jurnal SPORTIF : Jurnal Penelitian Pembelajaran, [S. l.], v. 12, n. 1, p. 176–193, 2026. DOI: 10.29407/js_unpgri.v12i1.28649. Disponível em: https://ojs.unpkediri.ac.id/index.php/pjk/article/view/28649. Acesso em: 13 jul. 2026.