Bastanta Tarigan, Parlin Siagian, and Muhammad Erpandi Dalimunthe, “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, vol. 13, no. 06, pp. 1971-1982, Sep. 2025.