Promta, Janram, Sukhum Prommuangkun, and Sakdinaporn Nuntee. “Guidelines of Innovation Development for Academic Administration of Small Schools under Loei Primary Educational Service Area Office 3”. RATANABUTH JOURNAL 4, no. 3 (December 31, 2022): 72–88. accessed June 11, 2025. https://so07.tci-thaijo.org/index.php/rtnb/article/view/1929.