Mualla, A. A., Yacoub, A. Y., & Kassab, A. K. (2017). Vaccination of chicken against Coccidiosis by using live Oocysts of different species of Eimeria. Ibn AL-Haitham Journal For Pure and Applied Sciences, 22(3). https://www.jih.uobaghdad.edu.iq/index.php/j/article/view/1212