Radhi Khalaf , Safaa, et al. “Nigella Sativa Seed Effect on Immune Response and Broiler chick’s Performance”. Journal of Poultry Sciences and Avian Diseases, vol. 2, no. 4, Oct. 2024, pp. 48-53, https://journals.kmanpub.com/index.php/jpsad/article/view/4752.