Dhammavaddhano (Phumirang), Phra Panthawat. “A Model for Promoting Social Studies Learning Skills Employing Tri-Sikkha Principles for Secondary School Students in Khon Kaen Municipality”. Insights into Modern Education (i-ME) 1, no. 3 (September 30, 2024): 14–27. accessed May 26, 2025. https://so19.tci-thaijo.org/index.php/IME/article/view/574.