Citation | Taha, S.S.E-D., O.A.E-H. Ibrahim, E.H. El-Shatoury, A.M. El-Deeb and H.A.E. Sayed. 2025. Production of bacterial β-galactosidase using wastes of dairy industry. Novel Research in Microbiology Journal, 9(3): 214-237. DOI | https://dx.doi.org/10.17582/journal.NRMJ/2025/9.3.214.237