COWDEN, Richard G.; CRUST, Lee; JACKMAN, Patricia C.; DUCKETT, Timothy R. Perfectionism and motivation in sport: The mediating role of mental toughness. South African Journal of Science, [S. l.], v. 115, n. 1/2, 2019. DOI: 10.17159/sajs.2019/5271. Disponível em: https://sajs.co.za/article/view/5271. Acesso em: 16 apr. 2024.