Hannok, Siraphat, and Thananan Trongdee. “Phonological System and Genetic Classification of Tai in Phulaenchang Village, Phulaenchang Sub-District, Na-Khu District, Kalasin Province”. Academic Journal of Mahamakut Buddhist University Roi Et Campus 10, no. 2 (August 6, 2020): 209–220. Accessed April 20, 2024. https://so01.tci-thaijo.org/index.php/AJMBU/article/view/242259.