Manajit, Dantawee, Boonlert Weeraponkan, and Phrakhru Pijitsupakarn Phrakhru Pijitsupakarn. “Guideline for the Development of Director Attributes According to Threefold Training, Phang Nga Vocational College”. Journal of MCU Humanities Review 8, no. 2 (December 29, 2022): 181–198. Accessed May 17, 2024. https://so03.tci-thaijo.org/index.php/human/article/view/258067.