Kruarattikan, Sitthiphon. “China’s Relations With the Liao, Xixia, and Jin: A Reflection of Diplomatic Flexibility During the Song Dynasty (960-1279 C.E.)”. Journal of Mekong Societies 9, no. 1 (June 7, 2013): 1–20. Accessed April 29, 2024. https://so03.tci-thaijo.org/index.php/mekongjournal/article/view/8760.