Milad Kurdi and  Hadi Farhadian and  Teymour Eslamkish,  Hydro-Geochemistry of Qare-Sou Catchment and Gorgan Gulf, Iran: Examining Spatial and Temporal Distribution of Major Ions and Determining the River’s Hydro-Chemical Type.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2016, vol. 118(10). 1022 - 1036
    [viewed 01 June 2020]. Available from: https://publications.waset.org/pdf/10005896.