Praiya Laekasin และ Songyos Kawmongkon; Duangkamol Kaewdaeng. (2023) Needs Assessment in Innovative Leadership Development of Elementary School Administrators of Educational Institutions under the Office of Chanthaburi Primary Educational Service Area Office 2. <i>Interdisciplinary Academic and Research Journal</i>, <i>3</i>(3), 867-880.Praiya Laekasin และ Songyos Kawmongkon; Duangkamol Kaewdaeng. "Needs Assessment in Innovative Leadership Development of Elementary School Administrators of Educational Institutions under the Office of Chanthaburi Primary Educational Service Area Office 2". Interdisciplinary Academic and Research Journal 3 (2023):867-880.Praiya Laekasin และ Songyos Kawmongkon; Duangkamol Kaewdaeng. Needs Assessment in Innovative Leadership Development of Elementary School Administrators of Educational Institutions under the Office of Chanthaburi Primary Educational Service Area Office 2. DR.KEN Institute of Academic Development and Promotion.:ม.ป.ท. 2023.