Sinaga, B. E.; Harianto, D.; Chairi, Z. Tanggung Jawab PT PLN Atas Kesalahan Pencatatan Meter Listrik Pelanggan Di ULP Helvetia Medan : PT PLN’s Liability for Errors in Recording Customer Electricity Meters at ULP Helvetia Medan. Del J LDEVI 2026, 1 (2), 11-27.