Park, Young-un, et al. “Loss Analysis of High Frequency Transformers on a 3kW-Class DC-DC Converter Using the Co-Simulation of Circuit and Electromagnetic Field Analysis”. International Journal of Engineering & Technology, vol. 7, no. 4.39, Dec. 2018, pp. 667-70, https://doi.org/10.14419/ijet.v7i4.39.25678.