Sulastri, S. et al. 2015. KINETICS AND BALANCE ADSORPSI ION KROMIUM (III) IN SOLUTIONS ON SILICA AND COMPOUND MODIFICATION OF SILICA RESULTS SYNTHESIS FROM GREEN RICE DRINKS. Jurnal Penelitian Saintek. 19, 2 (Mar. 2015). DOI:https://doi.org/10.21831/jps.v19i2.3501.