Trisna Wati, Santi Triwijaya, Yuli Prasetyo, and Sandy Prakoso. “Analisis Penerapan Zig Zag Transformator Pada Ungrounded System”. JEECAE (Journal of Electrical, Electronics, Control, and Automotive Engineering), vol. 5, no. 2, Nov. 2020, pp. 49-54, doi:10.32486/jeecae.v5i2.324.