Avelar-Rosa, Bruno. “Report on the 2011 Scientific Congress on Martial Arts and Combat Sports”. Revista de Artes Marciales Asiáticas 6, no. 2 (May 27, 2012): 85–104. Accessed December 7, 2022. https://revistas.unileon.es/ojs/index.php/artesmarciales/article/view/10.