PURWANTO, K.; WIJAYANTO, A. A.; ARDIYANTO, Y.; PUTRA, K. T. Electrical Design of a Portable Pure Sine Wave Inverter Using Ferrite Core Transformer and Double Stage Technique. Journal of Electrical Technology UMY, [S. l.], v. 7, n. 1, p. 1–8, 2023. DOI: 10.18196/jet.v7i1.17912. Disponível em: https://journal.umy.ac.id/index.php/jet/article/view/17912. Acesso em: 2 sep. 2025.