Unchalee Maithong และ Theerapharp Phetmalaikul. (2023) Competency Analysis of Education Administrators in the Office of Secondary Educational Service Area in the Disruptive Era. <i>Interdisciplinary Academic and Research Journal</i>, <i>3</i>(5), 425-446.Unchalee Maithong และ Theerapharp Phetmalaikul. "Competency Analysis of Education Administrators in the Office of Secondary Educational Service Area in the Disruptive Era". Interdisciplinary Academic and Research Journal 3 (2023):425-446.Unchalee Maithong และ Theerapharp Phetmalaikul. Competency Analysis of Education Administrators in the Office of Secondary Educational Service Area in the Disruptive Era. DR.KEN Institute of Academic Development and Promotion.:ม.ป.ท. 2023.