Self-Confidence of The Rugby Athletes of The Responsible Contingent Following The PON XXI Championship Aceh-Sumut 2024. COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga, [S. l.], v. 17, n. 1, p. 410–417, 2025. DOI: 10.26858/cjpko.v17i1.72033. Disponível em: https://competitor.idjournal.eu/index.php/competitor/article/view/209. Acesso em: 18 jul. 2025.