Sawattuek, Parichat, and Mattana Wangthanomsak. “Taxonomy of educational learning resources in Bangkok Metropolitan Administration”. Mahachula Academic Journal 10, no. 1 (April 27, 2023): 80–96. accessed January 8, 2026. https://so04.tci-thaijo.org/index.php/JMA/article/view/259115.