Health Index of Old Category Gas Insulated Switchgear. - Umar Khayam; Tina Wahyuningsih; Muhammad Kodrat; Arpan Zaeni; Rachmawati (ISC2, 2024)

Frequency Spectrum Analysis of Partial Discharge Measurement in 150-kV Outdoor Cable Sealing End - A Case Study. - Muhammad Kodrat; Umar Khayam (IEEE Access, 2025)