Watthanaloetrot, Visarva. “Curriculum Administration into School Practice under the Office of Roi Et Secondary Educational Service Area”. Interdisciplinary Academic and Research Journal 3, no. 2 (April 14, 2023): 499–510. accessed October 4, 2026. https://so03.tci-thaijo.org/index.php/IARJ/article/view/266181.