Metwally, M. A., H. B. Hussieni, A. A. Kassab, and E. A. Eshrah. “Comparative Anatomy of the Nasal Cavity in Buffaloes, Camels and Donkeys.”. Journal of Advanced Veterinary Research, vol. 9, no. 2, Apr. 2019, pp. 69-75, https://advetresearch.com/index.php/AVR/article/view/356.