Artvichai, Suwit, Somjet Poosri, and Pongphop Phoojomjit. 2021. “The Current State and the Development of the Quality Education Administration under the Secondary Educational Service Area Office 26”. Journal for Developing the Social and Community 8 (1). Bangkok, Thailand:347-64. https://so03.tci-thaijo.org/index.php/rdirmu/article/view/242436.