Nabundhit, S. ., C. . . Wongpornpavan, S. . Thongpan, and J. . Leeka. “A PHILOSOPHY OF THE NATURAL LAW WHICH INFLUENCE ON THE CONSTITUTION OF THE KINGDOM OF THAILAND B.E.2560”. Journal of Graduate MCU KhonKaen Campus, vol. 8, no. 4, Dec. 2021, pp. 160-73, https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/252592.