Wisitsri, Suprap, Nattachai Jantachum, and Tipaporn Sujaree. “The Development of a Training Curriculum to Enhance Critical Thinking Skills for Elementary Teachers at Surin Primary Educational Service Area Office 1”. Interdisciplinary Academic and Research Journal 3, no. 6 (November 26, 2023): 239–256. accessed October 10, 2026. https://so03.tci-thaijo.org/index.php/IARJ/article/view/271282.