Dewi, C., D. T. P. Yanto, and H. Hastuti. “The Development of Power Electronics Training Kits for Electrical Engineering Students: A Validity Test Analysis”. Jurnal Pendidikan Teknologi Kejuruan, Vol. 3, no. 2, May 2020, pp. 114-20, doi:10.24036/jptk.v3i2.9423.