มหากิตติคุณ พีรยา. “A Study of Teaching Method to Improve the Understanding of Democracy in the Contemporary Thai History Class”. Local Administration Journal 11, no. 4 (December 17, 2018): 63 –. accessed September 12, 2026. https://so04.tci-thaijo.org/index.php/colakkujournals/article/view/163224.