Triyanto, Aripin, et al. “Evaluation of Insulation Resistance Degradation in 555 WP Monocrystalline Solar Modules under Solar Irradiation Exposure”. Jurnal Nasional Teknik Elektro, vol. 14, no. 3, Dec. 2025, pp. 143-50, doi:10.25077/jnte.v14n3.1318.2025.