S. M, T., M. S, A. el H., M. Helmy, S. and A. Nakhriry, M. 2017. The Anti-viral and Immunomodulatory Activity of Cinnamon zeylanicum Against "NDV" Newcastle Disease Virus in Chickens. International Journal of Sciences: Basic and Applied Research (IJSBAR). 32, 2 (Mar. 2017), 251–262.