S. CHOUDHARY, M. L. KAMBOJ, N. RAHEJA, N. KUMAR, M. SAINI, and S. S. LATHWAL, “Influence of bull biostimulation on age at puberty and reproductive performance of Sahiwal heifers”, Indian J of Anim Sci, vol. 90, no. 1, pp. 28–34, Feb. 2020, doi: 10.56093/ijans.v90i1.98172.