Kamhongsa , Supattra, and Supat Punpatthanakul. 2026. “Developing Instructional Management Skills through Inquiry-Based Learning for Mathematics Teachers at Nongkungsri Wittayakarn School, Kalasin Secondary Educational Service Area”. Phimoldhamma Research Institute Journal 13 (1):141-52. https://so06.tci-thaijo.org/index.php/prij/article/view/287878.