Shofiyuddin, Muhammad, and Arief 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”. Procedia of Engineering and Life Science, vol. 5, Mar. 2024, pp. 339-44, doi:10.21070/pels.v7i0.1478.