Cynarski, Wojciech. “Russian centre on the map of the martial arts tourism – Congress and festival in Saint Petersburg, Russia”. Revista de Artes Marciales Asiáticas 13, no. 1 (February 16, 2018): 61–66. Accessed April 25, 2024. https://revpubli.unileon.es/ojs/index.php/artesmarciales/article/view/5166.