Wongrugsa, Angwara, Sirichai Kanjanawasee, and Sirirak Ratchusanti. “The efficiency of an evaluation model for undergraduate vocational education programs: An application of multiple evaluation approaches”. Kasetsart Journal of Social Sciences 43, no. 3 (July 27, 2022): 769–776. accessed September 16, 2026. https://so04.tci-thaijo.org/index.php/kjss/article/view/260345.