Al- Zubadi, A.N. Oueed, M. A. Kareem Al- Musafer, and R S . Al-Jorany. 2017. “Bioactivity of Bee Venom on European Foul – Brood Bacteria”. Ibn AL-Haitham Journal For Pure and Applied Sciences 22 (2). https://jih.uobaghdad.edu.iq/index.php/j/article/view/1258.