Sawetwisut, N., & Koolnaphadol, P. (2026). Learning Happiness Supporting Factors for Bangpleeratbamrung School Students, Bang Phli District, Samut Prakan Province. STOU Academic Journal of Research and Innovation (Humanities and Social Science), 6(1), 38–52. retrieved from https://so04.tci-thaijo.org/index.php/InnovationStou/article/view/281402