Saksang, Sittikorn, Kittipich Sopa, and Kasidid Buapetch. “An Analysis of Problems on the Origin of Written Laws: A Case Study of Thailand”. Rajapark Journal 18, no. 56 (February 29, 2024): 495–508. Accessed May 17, 2024. https://so05.tci-thaijo.org/index.php/RJPJ/article/view/269662.