WOJDAT, Marta; KANUPRIYA, Rawat; JANOWSKA, Patrycja; WOLSKA, Beata; STĘPNIAK, Robert; ADAM, Marek. Comparative analysis of optimism and life satisfaction in Brazilian male and female Ju-Jitsu society. Journal of Education, Health and Sport, [S. l.], v. 7, n. 12, p. 139–154, 2017. Disponível em: https://apcz.umk.pl/JEHS/article/view/5073. Acesso em: 8 jul. 2025.