DR. M.P. GAUR. Psychological Profile of Volleyball Players In Respect To Mental Toughness . International journal of economic perspectives, [S. l.], v. 14, n. 1, p. 92–97, 2020. Disponível em: http://www.ijeponline.org/index.php/journal/article/view/129. Acesso em: 15 apr. 2026.