MAHMUDA, Diah. Magnetite Surface Modification with Silica and Its Application as Adsorbent of Heavy Metal Ion Nickel and Manganese. Eksergi, [S. l.], v. 19, n. 1, p. 6–9, 2022. DOI: 10.31315/e.v0i0.5304. Disponível em: https://jurnal.upnyk.ac.id/index.php/eksergi/article/view/5304. Acesso em: 19 jul. 2025.