Irwanto, and Yudi Syah Pratama. “Sistem Perbaikan Preventive Maintenance Trafo Auxiliari Dan Pemasangan Panel Control Sump Pump 6 Inchi Di PT. Krakatau Chandra Energi, Indonesia”. Jurnal PPS-TP: Jurnal Pendidikan Analisis, Aplikasi Teori Dan Hasil Penelitian, vol. 14, no. 1, Apr. 2026, pp. 40-56, https://jt.fkip.unila.ac.id/index.php/web/article/view/27.