Christiono, C., Fikri, M. and Abduh, S. 2026. Comparative Study of HMM and BPNN in Detecting Corona Discharge on 20 kV Cubicle Based on Voltage and Sound. ITEGAM-JETIA. 12, 57 (Jan. 2026), 24-34. DOI:https://doi.org/10.5935/jetia.v12i57.2679.