PARVEEN, KAISER, A K GUPTA, R S GANDHI, A K CHAKRAVARTY, and SHABAHAT MUMTAZ. 2018. “Genetic Analysis of Trends in Production and Reproduction Traits over Years Using Regression Methods in Sahiwal Cows”. The Indian Journal of Animal Sciences 88 (3): 344-51. https://doi.org/10.56093/ijans.v88i3.78372.