PURWANINGSIH, Dyah. MULTI-METAL ADSORPTIONS Ag (I), Pb (II), Cr (III), Cu (II) AND Ni (II) ON HYBRID ETILENDIAMINO-SILICA FROM GREEN RICE DRINKS. Jurnal Penelitian Saintek, Yogyakarta, Indonesia, v. 14, n. 1, 2012. DOI: 10.21831/jps.v14i1.694. Disponível em: https://jurnal.uny.ac.id/index.php/saintek/article/view/694. Acesso em: 15 oct. 2025.