SCHWAGER, A. Self-Defence at Primary Schools: An overview about current programs. Journal of Martial Arts Research, [S. l.], v. 1, n. 2, 2018. DOI: 10.15495/ojs_25678221_12_40. Disponível em: https://openjournals.uni-bayreuth.de/index.php/jomar/article/view/40. Acesso em: 19 jan. 2022.