Wachirawongpaisarn , Suriya, Paphaphat Sangkaew, Prangthip Soeykrathoke, and Phongsak Phakamach. “THE DEVELOPMENT OF A DIGITAL PLATFORMS FOR BUSINESS ECONOMIC COURSES USING A PROBLEM-BASED LEARNING MANAGEMENT MODEL FOR VOCATIONAL LEARNERS”. Journal of Liberal Art of Rajamangala University of Technology Suvarnabhumi 3, no. 3 (November 1, 2021): 255–269. Accessed March 29, 2024. https://so03.tci-thaijo.org/index.php/art/article/view/254449.