Fernández-Cortés, José A., et al. “Estudio De Estilos De Juego En La Primera división De Fútbol española Antes, Durante Y después Del Covid-19 (Study of Playing Styles in the Spanish First Division of Football Before, During and After Covid-19)”. Retos, vol. 56, July 2024, pp. 770-8, https://doi.org/10.47197/retos.v56.103414.