Courel-Ibáñez, Javier, Raquel Escobar-Molina, David Ibáñez, and Emerson Franchini. “Is the Special Judo Fitness Test (SJFT) Index Discriminative for Children?”. Revista de Artes Marciales Asiáticas 11, no. 2s (September 29, 2016): 54–55. Accessed February 1, 2023. https://revistas.unileon.es/ojs/index.php/artesmarciales/article/view/4169.