P. RATWAN, M. KUMAR, A. KUMAR, A. K. CHAKRAVARTY, and A. MANDAL, “Impact of additive direct and maternal heritability on production efficiency traits in Jersey crossbred cattle”, Indian J of Anim Sci, vol. 88, no. 7, pp. 848–852, Jul. 2018, doi: 10.56093/ijans.v88i7.81480.