Moenig, Udo. “The Evolution of Kicking Techniques in Taekwondo”. Revista de Artes Marciales Asiáticas 6, no. 1 (July 11, 2012): 117–140. Accessed April 26, 2024. https://revistas.unileon.es/ojs/index.php/artesmarciales/article/view/87.