Janhom N, Vehachart R. THE 21ST-CENTURY ADMINISTRATIVE SKILLS OF SCHOOL ADMINISTRATORS UNDER SECONDARY EDUCATIONAL SERVICE AREA OFFICE SONGKLA SATUN. JSC [internet]. 2026 Feb. 27 [cited 2026 Oct. 13];10(2):173-86. available from: https://so06.tci-thaijo.org/index.php/JSC/article/view/291052