Boonrat, P., Wisessuwan, A., & Tubsree, C. (2013). Foreign Language Classroom Anxiety of Secondary Students of International Education Program for Basic Education, Piboonbumpen Demonstration School, Burapha University. HRD Journal, 3(2), 119–131. Retrieved from https://so01.tci-thaijo.org/index.php/HRDJ/article/view/11341