Kleebsattaboot, P., Pauwongsakul, S. ., & Wonnawed, N. . (2023). Effectiveness of the School Administration of the School Administrators under Kanchanaburi Secondary Educational Service Area Office . Journal of Graduate School, Pitchayatat, Ubon Ratchathani Rajabhat University, 18(3), 149–158. Retrieved from https://so02.tci-thaijo.org/index.php/Pitchayatat/article/view/264092