Lodsukho, C., Srikrachang, S. . and Anupapsanyakorn, P. . (2023) “The Academic Administration of the Small-Size Schools to Increase the Achievement Levels of the Ordinary National Educational Test under Surin Primary Education Service Area Office 1”, Journal of Graduate School, Pitchayatat, Ubon Ratchathani Rajabhat University, 18(3), pp. 1–14. Available at: https://so02.tci-thaijo.org/index.php/Pitchayatat/article/view/262200 (Accessed: 13 May 2024).