Interference Analysis of Postpaid kWh Meters According to Standard Operational Procedures at PT. PLN Ulp Helvetia Medan Indonesia: Analisis Gangguan Pada kWh Meter Pasca Bayar Menurut Standar Operasional Prosedur di PT. PLN Ulp Helvetia Medan Indonesia. Prev. J. Multidiscip. Sci. [Internet]. 2023 Feb. 28 [cited 2026 Feb. 3];2(1):49-56. Available from: https://jurnal.institutsunandoe.ac.id/index.php/prevenire/article/view/93