Kanitha Chaengsanam และ Kritkanok Duangchatom. (2023) The Guidelines for Developing Strategic Leadership of School Administrators Under the Office of Roi Et Primary Educational Service Area 2. <i>Interdisciplinary Academic and Research Journal</i>, <i>3</i>(4), 933-954.Kanitha Chaengsanam และ Kritkanok Duangchatom. "The Guidelines for Developing Strategic Leadership of School Administrators Under the Office of Roi Et Primary Educational Service Area 2". Interdisciplinary Academic and Research Journal 3 (2023):933-954.Kanitha Chaengsanam และ Kritkanok Duangchatom. The Guidelines for Developing Strategic Leadership of School Administrators Under the Office of Roi Et Primary Educational Service Area 2. DR.KEN Institute of Academic Development and Promotion.:ม.ป.ท. 2023.