Argudo-Iturriaga, F. M., A. Alberti-Amengual, P. J. Borges-Hernández, and E. Ruiz-Lara. “Self-Efficacy Perception in Elite Water Polo Goalkeepers”. Journal of Human Sport and Exercise, vol. 16, no. 2, Apr. 2021, pp. 296-03, doi:10.14198/jhse.2021.162.06.