Prachumchai, S., & Sriraungrith, A. . . (2022). An Analysis of Discourse Practice of Political Speeches : A Case Study of Donald Trump. Journal of Roi Kaensarn Academi, 7(10), 430–440. สืบค้น จาก https://so02.tci-thaijo.org/index.php/JRKSA/article/view/255972