“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”. 2012. The Iraqi Journal of Veterinary Medicine 36 (0A): 123-33. https://doi.org/10.30539/iraqijvm.v36i0A.365.