อรุณกิตติพร ว., ทองแพง ธ., & จิระโร พ. (2019). Administrative Factor of School Administrators Affecting School Effectiveness Under the Office of Trat Primary Education Service Area. Journal of Graduate School, Pitchayatat, Ubon Ratchathani Rajabhat University, 14(1), 139–149. Retrieved from https://so02.tci-thaijo.org/index.php/Pitchayatat/article/view/221610