รักษศรี ธ. (2017) “Experiment Simulation Model of Super-Premium Efficiency Motor standard (IE4)”, Journal of Energy and Environment Technology of Graduate School Siam Technology College, 4(2), pp. 1–5. Available at: https://ph01.tci-thaijo.org/index.php/JEET/article/view/186109 (Accessed: 28 February 2024).