Saputri, Y. P., and E. Priyambodo. “Adsorption of Cu(II) and Zn(II) on Liquid Waste of Electroplating Home Industry Using Silica Based Adsorbent Prepared from Glass Waste”. Indonesian Journal of Chemistry and Environment, vol. 2, no. 1, Feb. 2020, pp. 7-12, doi:10.21831/ijce.v2i1.30290.