The Effect of Sports Extracurricular Participation on Confidence and Social Interaction of High School Students. COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga, [S. l.], v. 17, n. 1, p. 476–483, 2025. DOI: 10.26858/cjpko.v17i1.73627. Disponível em: https://competitor.idjournal.eu/index.php/competitor/article/view/226. Acesso em: 18 jul. 2025.