ARJA BAHAUDDIN, Muhammad. The Effectiveness of Psychological Skill Training for Volleyball Athlete in Improving Ability and Forming Character (Personality). Proceeding of International Joint Conference on UNESA, [S. l.], v. 3, n. 1, p. 18–27, 2025. Disponível em: https://proceeding.unesa.ac.id/index.php/pijcu/article/view/6221. Acesso em: 28 oct. 2025.