WASET
    Komeil Jahanifar and  Zahra Abedi and  Yaghob Zeraatkish,  Estimation of Production Function in Fishery on the Coasts of Caspian Sea.   journal   = {International Journal of Agricultural and Biosystems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2010, vol. 41(5). 276 - 279
    [viewed 16 April 2024]. Available from: https://publications.waset.org/pdf/4914.