T. ABDULLAH ALALAF, M.; SULAIMAN ALHOORY, O. The Effect of a Psycho-social Programme on Increasing Self-Esteem of Seated Volleyball Players. College of Basic Education Research Journal, [S. l.], v. 18, n. 4, p. 630–653, 2022. DOI: 10.33899/berj.2022.176453. Disponível em: https://moss.uomosul.edu.iq/index.php/berj/article/view/39162. Acesso em: 26 oct. 2025.