Do, Thi Thuy Lan. “BARBARIANS AND THE KINH - TRẠI SEPARATION: PERCEPTIONS OF THE ĐẠI VIỆT DYNASTIES ON THE UPLANDS (11TH-16TH CENTURIES)”. Thang Long Journal of Science: Van hien and Heritage 1, no. 2 (February 22, 2023): 116–142. Accessed November 23, 2024. https://science.thanglong.edu.vn/index.php/volb/article/view/35.