Bastanta Tarigan, Parlin Siagian and Muhammad Erpandi Dalimunthe 2025. Analysis of Grounding Resistance Value Improvement on 150 kV Glang-Namorambe High Voltage Air Line Tower (SUTT) using three Measurement Points (Three Point Method). INFOKUM. 13, 06 (Sep. 2025), 1971-1982.