Khantatat, Prakarnrat. 2023. “Educational Institution Management of General Education Private School Administrators Nakhon Ratchasima Province In the Situation Outbreak of Coronavirus Disease 2019”. Interdisciplinary Academic and Research Journal 3 (2). Maha Sara Kham, TH.:485-98. https://doi.org/10.14456/iarj.2023.85.