S. H. R. Sadeghi and  A. Sadoddin and  A. Najafinejad,  Progressive Watershed Management Approaches in Iran.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2017, vol. 131(11). 1010 - 1013
    [viewed 15 July 2020]. Available from: https://publications.waset.org/pdf/10008205.