PÉREZ TURPIN, J. A.; SUÁREZ LLORCA, C. A study about the drop out in organized youth sports competition. Journal of Human Sport and Exercise, [S. l.], v. 2, n. 1, p. 28–34, 2008. DOI: 10.4100/jhse.2007.21.03. Disponível em: https://www.jhse.ua.es/article/view/2007-v2-n1-estudio-del-abandono-de-los-jovenes-en-la-competicion. Acesso em: 19 apr. 2024.