PLANAS, A. .; REIG, F. .; PALMI, J. .; DEL ARCO, I. .; ANTONI PRAT, J. . Motivations, Barriers and Physical Condition in Adolescents, According To the Stage of Change in Physical Exercise. Revista de Psicología del Deporte (Journal of Sport Psychology), [S. l.], v. 29, n. 2, p. 125–134, 2020. Disponível em: https://rpd-online.com/index.php/rpd/article/view/25. Acesso em: 26 oct. 2020.