Ketui, Nongnuch. “Development of Personnel Management System of Rajamangala University of Technology Lanna Nan for Supporting the Performance Appraisal”. The Golden Teak : Science and Technology Journal (GTSJ.) 4, no. 1 (May 19, 2026): 15–23. accessed September 13, 2026. https://li02.tci-thaijo.org/index.php/gts/article/view/1753.