Khadhim, Isrra A. A., and Hussain A. Dauod. 2017. “Morphological Description and Histological Structure of Kidney in Barn Owl Tyto Alba”. Ibn AL-Haitham Journal For Pure and Applied Sciences 27 (3): 45-59. https://jih.uobaghdad.edu.iq/index.php/j/article/view/261.