Duong, Pham Duc, and Siriwong Hongsawan. “Does A Mekong Cultural Area Exist?”. Journal of Mekong Societies 4, no. 2 (July 15, 2013): 1–12. accessed September 11, 2026. https://so03.tci-thaijo.org/index.php/mekongjournal/article/view/10055.