Mohamed, Reda. “Gross Anatomical Syringeal Structures of Goose (Anser Anser Domesticus)”. Journal of Advanced Veterinary and Animal Research 4, no. 4 (January 29, 2018): 343–347. Accessed February 17, 2025. https://www.banglajol.info/index.php/JAVAR/article/view/35373.