Muhammad Aulia Fadilah, et al. “Correlation Analysis Between the Proportion of Prepaid KWh Meter Customers and the Rate of P2TL Violations at PT PLN (Persero) ULP Tebing Tinggi ”. International Conference Epicentrum of Economic Global Framework, Feb. 2026, pp. 1350-6, https://proceeding.pancabudi.ac.id/index.php/ICEEGLOF/article/view/1721.