ศิริโนนรัง วิวัฒน์, Junchai Yomsungnuan, Phuwanat Munkhian, and Sirinnicha deethung. “ Office of the Vocational Education Commission”. Journal of MCU Phetchaburi Review 9, no. 1 (May 6, 2026): 131–144. accessed August 29, 2026. https://so03.tci-thaijo.org/index.php/JPR/article/view/297966.