SARMA, K, and M BHATTACHARYA. “Comparative Gross Anatomy of Abomasum of Mithun (Bos frontalis), Yak (Bos Grunniens) and Zebu (Bos Indicus)”. The Indian Journal of Animal Sciences, vol. 67, no. 10, Nov. 2013, https://epubs.icar.org.in/index.php/IJAnS/article/view/35101.