N. K. S. KUMAR, P. R. NISHA, S. S. KUMAR, and G. S. KUMAR, “Development of valuation index for dairy cattle and buffalo in Tamil Nadu”, Indian J of Anim Sci, vol. 84, no. 11, pp. 1211–1215, Nov. 2014, doi: 10.56093/ijans.v84i11.44789.