บุ้งทอง พ. and อักษรวงศ์ ร. (2021) “A Development of Academic Achievement of Sufficiency Economy, and Psychological Sufficiency of Matthayom Suksa 1 Students Ban Thung Yai School through Cooperative learning”, Ubon Ratchathani Journal of Research and Evaluation, 2(1), pp. 34–43. available at: https://so06.tci-thaijo.org/index.php/ubonreseva/article/view/250836 (accessed: 21 September 2026).