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. (2025). MINERAL, 10(2), 70-76. https://doi.org/10.33019/k9102v25