Budhtranon, Wanyada, Chaiwichit Chianchana, and Sayam Kamkhuntod. “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”. Journal of Technical Education and Training 13, no. 4 (December 20, 2021): 15–27. Accessed August 20, 2022. https://penerbit.uthm.edu.my/ojs/index.php/JTET/article/view/8946.