2012. Histological Structure of The Optic Tectum in The Fresh Water Turtle in The Clemmys caspica caspica (Gmelin, 1774): Nahla Abid Al-Ritha and Asmaa Basheer Abid. The Iraqi Journal of Veterinary Medicine. 36, 0A (Apr. 2012), 123–133. DOI:https://doi.org/10.30539/iraqijvm.v36i0A.365.