INDRAWATI, DEWI. 2013. “PENGARUH PERBANDINGAN KOMPOSISI KITOSAN DAN SILIKA TERHADAP KARAKTERISASI ADSORBEN KITOSA-SILIKA BEAD (EFFECT OF CHITOSAN AND SILICA COMPOSITION TO CHARACTERIZATION OF CHITOSAN-SILICA BEAD ADSORBENT)”. Unesa Journal of Chemistry 2 (1). https://doi.org/10.26740/ujc.v2n1.p%p.