OKTAVIA, Nava; DENAY, Naluri; SARI, Desi Purnama. The Effect of Rubber Training on Gyaku-Tsuki Punching Speed in Karate Athletes. International Martial Arts and Culture Journal, [S. l.], v. 1, n. 2, p. 69–72, 2023. DOI: 10.24036/imacj10019. Disponível em: https://imacj.ppj.unp.ac.id/index.php/imacj/article/view/10. Acesso em: 26 apr. 2026.