amornworapipat, woradech ., and thossaphol . noratus. “๘๔ พรรษา ธรรมราชาประชาธิปไตย”. King Prajadhipok’s Institute Journal, vol. 9, no. 3, Sept. 2020, https://so06.tci-thaijo.org/index.php/kpi_journal/article/view/244465.