M. Shofiyuddin and A. . Wisaksono, “Testing of The Insulation Resistance and Turns Test Ratio (TTR) of The Distribution Transformers at PT. XYZ: Pengujian Tahanan Isolasi dan Tes Rasio Tegangan (TTR) Trafo Distribusi di PT. XYZ”, PELS, vol. 5, pp. 339–344, Mar. 2024.