Koyata, A., Inprasitha, M., & Changsri, N. (2026). The Historical Development of Well-being: the Transition from Economic Well-being to Mathematical Well-being . Journal of Thailand Society of Mathematics Education, 1(1), # 85 – 107. retrieved from https://so11.tci-thaijo.org/index.php/JTSMEd/article/view/2851 (Original work published September 3, 2026)