Syamsuri, M.M., Febriani, W., Sutarno, S. and Suyanta, S. 2024. Removal Co(II) Ions in Aqueous Solution using Fe-MCM-41. Stannum : Jurnal Sains dan Terapan Kimia. 6, 2 (Oct. 2024), 109-114. DOI:https://doi.org/10.33019/jstk.v6i2.5481.