Sundaresan, A., et al. “Microscopic Characteristics Of Emu (Dromaius Novaehollandiae) Semen Collected By Non-Teaser Method In Humid Tropical Climate ”. Indian Journal of Veterinary Sciences and Biotechnology, vol. 10, no. 4, Apr. 2015, pp. 12-15, https://acspublisher.com/journals/index.php/ijvsbt/article/view/2924.