Abd-Alrahman, Shermean A., and Mahmoud M. Mahmoud. 2008. “Anatomical and Histological Study of the Cerebellum in Cognitive Modern Birds Species (gold-Capped Parrot)”. Al Mustansiriyah Journal of Pharmaceutical Sciences 5 (1):84-91. https://doi.org/10.32947/ajps.v5i1.397.