Sarkar, M, B C Das, D N Das, D B Mondal, T K Mohanty, and B P S Yadav. 2012. “Petal Haemoglobin in Yaks (Poephagus Grunniens L.)”. The Indian Journal of Animal Sciences 69 (9). https://epubs.icar.org.in/index.php/IJAnS/article/view/21221.