Ni`mah, L., Mahfud, M. and Juliastuti, S. R. . (2022) “Study of Activated Carbon from Coconut Shell Waste to Adsorb Cu and Mn Metals in Acid Mine Drainage”, Journal of Fibers and Polymer Composites, 1(1), pp. 34–42. doi: 10.55043/jfpc.v1i1.35.