Islam, M., Howlider, M., Kabir, F., & Alam, J. (2002). Comparative Assessment of Fertility and Hatchability of Barred Plymouth Rock, White Leghorn, Rhode Island Red and White Rock Hen. International Journal of Poultry Science, 1(4), 85–90. https://doi.org/10.3923/ijps.2002.85.90