Liang, Peiwen, Peerapong Tipanark, and Pornthep Muangman. “Administrator? S Competencies for Private Vocational Colleges in Bangkok”. Journal of Paramita 6, no. 1 (June 28, 2024): 434–451. Accessed August 27, 2025. https://www.awut.org/ojs/index.php/paramita/article/view/270.