VencesBrito, António, Maria António Castro, Eduardo Jorge Valente, Félix Romero, and Abel Figueiredo. “Is the Portuguese Karate Practice Safe?”. Revista de Artes Marciales Asiáticas 11, no. 2s (September 29, 2016): 46–47. Accessed December 4, 2022. https://revistas.unileon.es/ojs/index.php/artesmarciales/article/view/4165.