WASET
    P. C. Boisteanu and  M. G. Usturoi and  Roxana Lazar and  B. V. Avarvarei,  Haematological Characterization of Reproductive Status at Laying Hens by Age.   journal   = {International Journal of Agricultural and Biosystems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2010, vol. 41(5). 316 - 318
    [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/14140.