P. S. P. GUPTA, S. SELVARAJU, D. T. PAL, G. RAVIKIRAN, and J. P. RAVINDRA, “Amelioration of reproductive problems in crossbred cattle with high blood urea nitrogen levels by ragi (finger millet) supplementation- A field study”, Indian J of Anim Sci, vol. 78, no. 12, Mar. 2011, doi: 10.56093/ijans.v78i12.5069.