SUDHINONT, J. Teaching Tones to Foreigners Learning the Thai Language. Journal of Human and Society, Sisaket Rajabhat University, Si Sa Ket, Thailand, v. 8, n. 2, p. 21–45, 2024. Disponível em: https://so08.tci-thaijo.org/index.php/jhuso/article/view/3291. Acesso em: 31 jul. 2025.