Ponchanok Saenthaweesuk Seedabut, and Pattama Patpong. “Dialect Geography of Khmer in Northeastern Thailand: An Analysis of Regional Variation and Sub-dialect Classification”. Journal of Mekong Societies, vol. 20, no. 3, Dec. 2024, pp. 1-27, https://so03.tci-thaijo.org/index.php/mekongjournal/article/view/273610.