ไชยภูมี เอกลักษณ์. “The Reception of Western Political Thought on the Forms of Government in Siam”. Journal of Letters 48, no. 1 (June 29, 2019): 162–194. Accessed April 25, 2024. https://so03.tci-thaijo.org/index.php/jletters/article/view/199608.