Hussien, A. R. “Histological Study on Optic Tectum in Hemida Ctylus Flaviviridis”. Ibn AL-Haitham Journal For Pure and Applied Sciences 23, no. 2 (May 31, 2017). Accessed August 14, 2024. https://jih.uobaghdad.edu.iq/index.php/j/article/view/1038.