Panumat Pongseng และ Somsak Aeamkongsee. (2023) The Factors Affecting Personnel Management of School Administrators under Secondary Educational Service Area Office Bangkok 1. <i>Interdisciplinary Academic and Research Journal</i>, <i>3</i>(3), 593-610.Panumat Pongseng และ Somsak Aeamkongsee. "The Factors Affecting Personnel Management of School Administrators under Secondary Educational Service Area Office Bangkok 1". Interdisciplinary Academic and Research Journal 3 (2023):593-610.Panumat Pongseng และ Somsak Aeamkongsee. The Factors Affecting Personnel Management of School Administrators under Secondary Educational Service Area Office Bangkok 1. DR.KEN Institute of Academic Development and Promotion.:ม.ป.ท. 2023.