Islam, MS, A Akhtar, MA Hossain, MF Rahman, and SS Hossain. 2018. “Reproductive Performance and Repeatability Estimation of Some Traits of Crossbred Cows in Savar Dairy Farm”. Journal of Environmental Science and Natural Resources 10 (2):87-94. https://doi.org/10.3329/jesnr.v10i2.39017.