Jaritkuan, C., & Prasansaph, W. (2025). Competencies of Educational Institution Administrators that Affect the Effectiveness of Educational Institutions in the 21st Century Under the Jurisdiction of the Prachuapkhirikhan Primary Educational Service Area Office, Area 1. Academic MCU Buriram Journal, 10(2), 30–43. retrieved from https://so06.tci-thaijo.org/index.php/ambj/article/view/282325