(1)
Guntama, D.; Nuriani Dewi, M. .; Nulhakim, L. .; Armawan Sandi, S. .; Trisnaeni, A. .; Lintang, A. . 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. J. Migasian 2023, 7, 1-11.