Preparation and Characterization Of Co3O4 Nano Powder. Jurnal Kimia Valensi, [S. l.], p. 124–129, 2015. DOI: 10.15408/jkv.v0i0.3176. Disponível em: https://journal.uinjkt.ac.id/valensi/article/view/3176. Acesso em: 14 oct. 2025.