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 24 April 2024]. Available from: https://publications.waset.org/pdf/4914.