Thonglert, Phandacha. “Factors Affecting the Performance Efficiency of Personnel under Industrial and Community College of Central Region College”. Saengtham College Journal 14, no. 1 (June 28, 2022): 204–221. accessed September 3, 2026. https://so01.tci-thaijo.org/index.php/scj/article/view/259918.