S.A.H. Abo El-Nor, Mona A.M. Abd El-Gawad and M.H. Abd El-Salam
International Journal of Dairy Science 2 ( 1 ): 58 - 65 , 2007
S.M. Kholif, S.A.H. Abo El-Nor and M.M. Khorshed
International Journal of Dairy Science 2 ( 4 ): 312 - 320 , 2007