Tinsung, S. (2024). Developing Online Lesson on the Use of Multi-Meters in the Basic Electrical and Electronics Course for First-year Vocational Certificate Students in the Field of Maintenance Engineering Program at Singburi Technical College. RMUTK Journal of Liberal Arts, 6(1), 69–83. retrieved from https://so02.tci-thaijo.org/index.php/larts-journal/article/view/266979