Guntama, D. (2023) “Utilization of Active Charcoal of Arabica Coffee (Coffea arabica) With Chloride (HCl) and Phosphoric Acid (H3PO4) Activator as Adsorbent of Metal Chromium (Cr) in Textile Waste”, Jurnal Migasian, 7(1), pp. 1–11. doi: 10.36601/jm.v7i1.226.