Purwanto, K., Wijayanto, A. A., Ardiyanto, Y., & Putra, K. T. (2023). Electrical Design of a Portable Pure Sine Wave Inverter Using Ferrite Core Transformer and Double Stage Technique. Journal of Electrical Technology UMY, 7(1), 1–8. https://doi.org/10.18196/jet.v7i1.17912