Kharoofa, A., Ahmed, M.-K. A., Salhab, S., & Zaied, A. (1997). Comparative Performance of Imported and Home Bred Holstein Friesian Cows: Corrected and Average Daily Milk Production. Al-Mukhtar Journal of Sciences, 4(1), 74–92. https://doi.org/10.54172/mjsc.v4i1.551