Paechon, Anataya, and Kitti Chunhasiwong. “Competency Develop Guideline for Operational Employees in Industrial Estate in Chonburi Province”. Interdisciplinary Academic and Research Journal 3, no. 4 (August 3, 2023): 463–480. accessed August 28, 2026. https://so03.tci-thaijo.org/index.php/IARJ/article/view/269234.