Implementasi Alat Water Level Indicator (WLI) Otomatis Dalam Upaya Optimasi Debit Pemompaan di Sump: Implementation of Automatic Water Level Indicator (WLI) Device to Optimise Pumping Discharge in Sump. mineral [Internet]. 2025 Dec. 22 [cited 2026 Jun. 9];10(2):70-6. Available from: https://journal.ubb.ac.id/index.php/mineral/article/view/7467