RECIO MORENO, D.; FELIZ MURIAS, T.; ELORZA BARBAJERO, J. La formación de árbitros y asistentes de fútbol desde el enfoque flipped learning (Training soccer referees and assistant referees from the flipped learning approach). Retos, [S. l.], v. 39, p. 794–804, 2021. DOI: 10.47197/retos.v0i39.78222. Disponível em: https://recyt.fecyt.es/index.php/retos/article/view/78222. Acesso em: 7 oct. 2022.