WASET
    A. Montazar,  Assessing the Global Water Productivity of Some Irrigation Command Areas in Iran.   journal   = {International Journal of Agricultural and Biosystems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2009, vol. 33(9). 450 - 454
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/1029.