Vo Van Thang. “THE ORIGINS OF CHAMPA: WAS THERE A KINGDOM OF XI-TU (西屠國) IN THE THU BỒN VALLEY ?”. UED Journal of Social Sciences, Humanities and Education 11, no. 2 (December 31, 2021): 27-34. Accessed June 26, 2022. https://jshe.ued.udn.vn/index.php/jshe/article/view/1006.