Wongsing K, Lunsamrong P, Romsri S. Operations of internal supervision of the schools under the Bueng Kan Primary Educational Service Area Office. JRDI. RMU [Internet]. 2022 Apr. 26 [cited 2024 May 19];9(1):533-42. Available from: https://so03.tci-thaijo.org/index.php/rdirmu/article/view/254500