“Joint Activity Organization and Segments of Interactivity Analyses in a School Age Combat Sports Initiation Unit”. Revista de Artes Marciales Asiáticas 11, no. 2s (September 29, 2016): 72–73. Accessed May 14, 2026. https://revpubli.unileon.es/ojs/index.php/artesmarciales/article/view/4178.