Sudthae, Khamphi, Ong-at Thiamklang, Nattapapa Suriya, and Naiyana Promdam. “THE 21ST CENTURY ADMINISTRATIVE SKILLS OF ADMINISTRATOR AFFECTING TEAMWORK EFFICIENCY OF SCHOOL UNDER NAKHONRATCHASIMA PRIMARY EDUCATIONAL SERVICE AREA OFFICE 3”. Journal for Developing the Social and Community 10, no. 3 (December 30, 2023): 243–258. accessed September 1, 2026. https://so03.tci-thaijo.org/index.php/rdirmu/article/view/274016.