Sreepadung S, Noijan N. The Relationship between Academic Administrators’ Roles and The Effectiveness of Educational Institutions under The Office of Nonthaburi Primary Education Service Area Office 2. rpujournal [internet]. 2021 Dec. 25 [cited 2026 Sep. 11];7(3):98-112. available from: https://so03.tci-thaijo.org/index.php/rpu/article/view/257344