Purba, Angelia, Meidi Wani Lestari, Imnadir Imnadir, Marliana Sari, Hotman Silitonga, & Jhonson Siburian. " SISTEM PENDETEKSIAN AIR LIMBAH CAIR INDUSTRI." Jurnal Darma Agung [Online], 32.1 (2024): 483 - 493. Web. 22 Nov. 2024