Nabundhit, S. , Wongpornpavan, C. , Thongpan, S. and Leeka, J. 2021. 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. 8, 4 (Dec. 2021), 160–173.