NIEHAUS, A. Editorial. Journal of Martial Arts Research, [S. l.], v. 2, n. 2, p. 4, 2019. DOI: 10.15495/ojs_25678221_22_85. Disponível em: https://ojs.uni-bayreuth.de/index.php/jomar/article/view/85. Acesso em: 2 okt. 2020.