Sangkamkul, A. . ., Sompongtam, C. ., & Manyanon, S. . . (2022). The Internal Quality Assurance of the NA CHALUAI SCHOOL GROUP in the Office of Ubon Ratchathani Primary Educational Service Area 5. Journal of Human and Society, Sisaket Rajabhat University, 4(2), 107–125. retrieved from https://so08.tci-thaijo.org/index.php/jhuso/article/view/1082