Ebell, S. Biron. “Competition Versus Tradition in Kodokan Judo”. Revista de Artes Marciales Asiáticas 3, no. 2 (July 19, 2012): 28–37. Accessed April 25, 2024. https://revpubli.unileon.es/ojs/index.php/artesmarciales/article/view/359.