Srisuwan, P. (2022) “COMPETENCY-BASED COURSES TO ENHANCE SKILLS IN SELLING PRODUCTS ONLINE”, Journal of Liberal Art of Rajamangala University of Technology Suvarnabhumi, 4(3), pp. 457–471. available at: https://so03.tci-thaijo.org/index.php/art/article/view/264352 (accessed: 14 October 2026).