Mahmood Taha Al-Hamdany, Ameer, and Hamid Hassan Hamid AL-arajee. 2019. “Comparative Anatomical and Histological Study of the Pecten Oculi in Three Species of Birds That Differ in Their Nutrition”. Journal of Education and Science (JES) 28 (3):168-77. https://doi.org/10.33899/edusj.2019.162972.