สุขคะตะ สิทธิชัย, and บุนนาค ณัฐวีณ์. “Discourse Analysis of Thai Nationalism in Social Studies and Historical Textbooks”. Thai Interdisciplinary and Sustainability Review 4, no. 1 (December 9, 2019): 126–137. accessed September 3, 2026. https://so03.tci-thaijo.org/index.php/JIRGS/article/view/228471.