TRAKANTALERNGSAK, T. The Introduction of Nihongo Speech Trainer: A Tool for Learning Japanese Sounds. NIDA Journal of Language and Communication, Bangkok, Thailand, v. 24, n. 35, p. 48–58, 2019. Disponível em: https://so04.tci-thaijo.org/index.php/NJLC/article/view/202423. Acesso em: 21 sep. 2026.