Promsena P, Sinlapaprasert S, Hunsaen S. Guidelines for Promoting Students’ Morality Ethics of School Administrators under Chachoengsao Primary Educational Service Area Office 2 . IARJ [internet]. 2025 May 29 [cited 2026 Oct. 11];5(3):451-66. available from: https://so03.tci-thaijo.org/index.php/IARJ/article/view/283242