Callejas-Cuervo, M., J. A. Pineda-Rojas, and W. A. Daza-Wittinghan. “Analysis of Ball Interception Velocity in Futsal Goalkeepers”. Journal of Human Sport and Exercise, vol. 15, no. 3proc, Sept. 2020, pp. S735-S747, https://www.jhse.ua.es/article/view/2020-v15-n3-proc-ball-interception-velocity-futsal-goalkeepers.