Srirangsan, C., Piyarit, R., Kampol, P., Wongboonngam, N., Romphruek, F. and Sukhsantikamol, T. 2022. The Development of The King Rama IX’s Wisdom Instructional’ Social Studies Model for Sufficiency Economy as Life Philosophy. Journal of Humanities and Social Sciences Review . 24, 1 (May 2022), 44–56.