Ibrahim, A. H. “ENHANCEMENT OF β-GALACTOSIDASE ACTIVITY OF LACTIC ACID BACTERIA IN FERMENTED CAMEL MILK”. Emirates Journal of Food and Agriculture, Vol. 30, no. 4, May 2018, pp. 256-67, doi:https://doi.org/10.9755/ejfa.2018.v30.i4.1660. Accessed 15 Aug. 2020.