“The Synthesis and Characterization Composite Fe3O4 Chitosan Clay Bangka: Synthesis and Characterization Composite Fe3O4 Chitosan Clay Bangka”. Stannum : Jurnal Sains dan Terapan Kimia 2, no. 2 (October 31, 2020): 45–50. Accessed January 30, 2026. https://journal.ubb.ac.id/index.php/stannum/article/view/1897.