Radhi Khalaf, Safaa, et al. “Nigella Sativa Seed Effect on Immune Response and Broiler chick’s Performance”. The Journal of Poultry Sciences and Avian Diseases, vol. 2, no. 4, Oct. 2024, pp. 48-53, https://doi.org/10.61838/kman.jpsad.2.4.7.