Wisitsri, Suprap, Nattachai Jantachum, and Tipaporn Sujaree. 2023. “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 (6). Maha Sara Kham, TH.:239-56. https://doi.org/10.60027/iarj.2023.271282.