Hakami, A. H., A. A. Yousef, M. M. Zaki, M. M. Ismail, A. M. Al-Ali, and A. S. Al-Ankari,
"Psittacine Beak and Feather Disease Virus of African and Asian Psittacines in Saudi Arabia May Have Originated in Australia",
4th International Conference of Virology, Sharm El-Sheikh, Egypt, November 2012.
M.Hady, M., M.M.Zaki, W. A. EL-Ghany, and K. Reda, M.S,
"Potency of Some Phytobiotic Feed- additives on Zootechnical Performance, Carcass traits and Intestinal health of Broiler Chickens.",
19th European Symposium on Poultry Nutrition, Potsdam, Germany, August 2013.