Jakhel, Rudolf. “Karate’s ambiguity: Traditional martial art or modern combat sport”. Revista de Artes Marciales Asiáticas 14, no. 2s (November 18, 2019): 68–70. Accessed April 19, 2024. https://revpubli.unileon.es/ojs/index.php/artesmarciales/article/view/6000.