หาสาสน์ศรี ภ. . (2020). A Study of the Ethical and Moral Behaviors of Teachers at the Demonstration School of Ramkhamhaeng University. Ramkhamhaeng Research Journal of Humanities and Social Science, 23(2), 26–32. Retrieved from https://so05.tci-thaijo.org/index.php/rusoc/article/view/248886