KALININ, R.; BALAZSI, R.; HANŢIU, I. OPTIMIZING SPORTS PERFORMANCE THROUGH MENTAL TOUGHNESS: PILOT STUDY. Studia Universitatis Babeș-Bolyai Educatio Artis Gymnasticae, [S. l.], v. 65, n. 2, p. 69–80, 2020. DOI: 10.24193/subbeag.65(2).15. Disponível em: http://193.231.18.162/index.php/subbeducatio/article/view/1391. Acesso em: 5 oct. 2024.