Design and validation of a questionnaire to study the process of training football players. E-balonmano com, Journal of Sports Science, [S. l.], v. 16, n. 2, p. 127–138, 2020. DOI: 10.17398/. Disponível em: https://revista-ebalonmano.unex.es/index.php/ebalonmano/article/view/2494. Acesso em: 29 may. 2026.