Yodchalood, B., Sriyabhaya, W., Benjatikul , J. and Ketthet, B. (2021) “A Comparative Study of Consonants and Vowels in Words of Tai Ya’s Chiang Rai and Bangkok Thai”, Dhammathas Academic Journal, 21(4), pp. 287–300. available at: https://so06.tci-thaijo.org/index.php/dhammathas/article/view/249347 (accessed: 1 October 2026).