2025. 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. 10, 2 (Dec. 2025), 70–76. DOI:https://doi.org/10.33019/k9102v25.