Sanmiguel-Rodríguez, A., S. González-Víllora, and V. Arufe-Giráldez. “High-Performance Football in Spain: Systematic Review (2015–2019)”. Journal of Human Sport and Exercise, vol. 17, no. 4, Oct. 2022, pp. 942-57, doi:10.14198/jhse.2022.174.20.