pantu, pattareepan, and P. Khankam. “Chiang sean City, Suwankhomkham City : The Area and Ancient Sites Connection”. CRRU Law, Political Science and Social Science Journal, vol. 7, no. 2, July 2023, pp. 169-92, https://so06.tci-thaijo.org/index.php/lawcrru/article/view/259949.