Yaungyuen, Ronnajuk, and Wichai Sawekngam. “Guideline of an Economics instruction for enhancing economic literacy of lower secondary students”. An Online Journal of Education 20, no. 1 (June 30, 2025): 1–15. accessed August 26, 2026. https://so01.tci-thaijo.org/index.php/OJED/article/view/280166.