Prapagorn, Puthep. “THE STUDY OF RECORDS ON THE KINGDOM OF CHENLA IN ANCIENT CHINESE DOCUMENTS FROM THE TANG TO MING DYNASTIES”. Journal of Humanities, Social Sciences, and Arts 7, no. 1 (January 22, 2025): 16–33. accessed April 26, 2025. https://so03.tci-thaijo.org/index.php/hsa/article/view/282881.