NAJEM ALJOUBORY, jameel. Self-confidence and its relationship to competitive behavior among female the volleyball players In the Kurdistan region. College of Basic Education Research Journal, [S. l.], v. 20, n. 1, p. 551–567, 2024. DOI: 10.33899/berj.2024.182761. Disponível em: https://moss.uomosul.edu.iq/index.php/berj/article/view/39008. Acesso em: 26 oct. 2025.