Hadi Ghorbani and  Samira Mohammadi Sadabad,  Annual Changes in Some Qualitative Parameters of Groundwater in Shirvan Plain North East of Iran.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2010, vol. 44(8). 352 - 355
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/12494.