Abo-Elnaga, I. G. , Shorolt, A.A.M.,Hegazi, F.Z. and Mohamed, M.A. (1984). Differentiation of Lactobacillus casei and Lactobacillus plantarum by the activity of their peptidases. Bull. Fac. Sci. Assiut Univ. 13, 71 - 77, Assiut, Egypt.
كلية الزراعة
جامعة أسيوط