Firdiyono, F. et al. 2012. PERCOBAAN PENDAHULUAN PERBANDINGAN DAYA SERAP UNSUR MINOR DALAM LARUTAN NATRIUM SILIKAT[Preliminary Comparative Study on the Adsorption of Minor Elements in Sodium Silicate Solution]. Jurnal Metalurgi. 27, 1 (Apr. 2012), 15–26. DOI:https://doi.org/10.14203/metalurgi.v27i1.135.