Khamchoo, Nattha, Apirak Chaipanha, Khajita Sripoom, and Bhob Sawasdee. “The Status of Research on the Dialects over the East of Thailand in Five Decades (1969-2022)”. FOYER: The Journal of Humanities, Social Sciences, and Education 6, no. 2 (December 12, 2023): 339–378. Accessed May 11, 2024. https://so02.tci-thaijo.org/index.php/lajournal/article/view/262271.