Self-Confidence and Achievement Motivation on Anxiety Among Swimming Athletes. COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga, [S. l.], v. 18, n. 2, p. 4506–4515, 2026. DOI: 10.26858/cpjok.v18i2.965. Disponível em: https://competitor.idjournal.eu/index.php/competitor/article/view/965. Acesso em: 7 jun. 2026.