Sudthae K, Thiamklang O- at, Suriya N, Promdam N. THE 21ST CENTURY ADMINISTRATIVE SKILLS OF ADMINISTRATOR AFFECTING TEAMWORK EFFICIENCY OF SCHOOL UNDER NAKHONRATCHASIMA PRIMARY EDUCATIONAL SERVICE AREA OFFICE 3. JDSC [internet]. 2023 Dec. 30 [cited 2026 Sep. 1];10(3):243-58. available from: https://so03.tci-thaijo.org/index.php/rdirmu/article/view/274016