P. PERUMAL, J. K. CHAMUAH, V. SINGH, K. VUPRU, and C. RAJKHOWA, “Biometry of reproductive system of mithun and Tho Tho cow”, Indian J of Anim Sci, vol. 83, no. 3, Mar. 2013, doi: 10.56093/ijans.v83i3.28096.