จังหวัดกลาง จ., & ศิริแสงเลิศ เ. (2018). Administrative Factors Affecting High Achievement of Students in Schools under the Office of Nakhon Ratchasima Primary Education Service Area 5. Ratchaphruek Journal, 16(3), 37–44. retrieved from https://so05.tci-thaijo.org/index.php/Ratchaphruekjournal/article/view/152914