Enzymatic Assay of Immobilized β-D-Galactosidase Enzyme on Magnetite Nanoparticle. Iraqi Journal of Science, [S. l.], v. 64, n. 12, p. 6093–6103, 2023. DOI: 10.24996/ijs.2023.64.12.2. Disponível em: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/8001.. Acesso em: 7 apr. 2025.