EFISIENSI ADSORPSI LOGAM Cu MENGGUNAKAN KOMPOSIT Fe3O4 /KITOSAN/SiO2 SEKAM PADI. PROCEEDINGS OF NATIONAL COLLOQUIUM RESEARCH AND COMMUNITY SERVICE, [S. l.], v. 5, p. 181–184, 2021. DOI: 10.33019/snppm.v5i0.2745. Disponível em: https://journal.ubb.ac.id/index.php/snppm/article/view/2745. Acesso em: 14 jun. 2026.