Akharawatthanakun, Phinnarat. β€œAn Overview of Research Studies on Southwestern Tai Languages and Language Variation and Change during the Four Decades (AD 1981–2021)”. Language and Linguistics 42, no. 1 (June 19, 2024): 1–31. accessed September 10, 2026. https://so04.tci-thaijo.org/index.php/joling/article/view/268738.