Budhtranon W, Chianchana C, Kamkhuntod S. Developing a Conceptual Framework of Instructional Model for Creating an Innovative Business Project: Applying the Sufficiency Economy Philosophy for Private Vocational Colleges in Bangkok, Thailand. jtet. 2021;13(4):15-27. Accessed March 11, 2026. https://penerbit.uthm.edu.my/ojs/index.php/JTET/article/view/8946