Kanokporn Chanma และ Pimolpun Phetsombat. (2025) The Core Competencies of School Administrators Affecting Quality Assurance Operations Within Educational Institutions Under the Prachinburi Primary Educational Service Area Office 1. <i>Journal of Social Sciences Innovations</i>, <i>2</i>(1), 1-17.Kanokporn Chanma และ Pimolpun Phetsombat. "The Core Competencies of School Administrators Affecting Quality Assurance Operations Within Educational Institutions Under the Prachinburi Primary Educational Service Area Office 1". Journal of Social Sciences Innovations 2 (2025):1-17.Kanokporn Chanma และ Pimolpun Phetsombat. The Core Competencies of School Administrators Affecting Quality Assurance Operations Within Educational Institutions Under the Prachinburi Primary Educational Service Area Office 1. DR.KET INSTITUTE OF ACADEMIC DEVELOPMENT AND PROMOTION:ม.ป.ท. 2025.