Wahyudi, I., and V. V. R. Repi. “Rancang Bangun Sistem Digital Kalibrator KW Meter Dan KVAR Meter Analog 3 Fasa”. Jurnal Ilmiah Giga, vol. 17, no. 1, Mar. 2019, pp. 19-25, doi:10.47313/jig.v17i1.535.