A. A. Ghazy, W. M. Ahmed, M.A. Mahmoud and Lamia A. Ahmed
International Journal of Dairy Science 2 ( 4 ): 339 - 347 , 2007
A. A. Ghazy, Y. A. Ghazi, Karima Gh.M. Mahmoud and A. A. Farghaly
International Journal of Dairy Science 2 ( 4 ): 302 - 311 , 2007