Nutchapong, S., C. Meemuk, K. Phokwan, and A. Pliandist. “Development and Efficiency Finding of Uninterruptible Mobile Power Supplies”. Institute of Vocational Education Southern Region 3 Journal (KRIS Journal), vol. 2, no. 2, Dec. 2022, pp. 79-92, https://so08.tci-thaijo.org/index.php/KRIS/article/view/3233.