Jamalodin Alvani and  Fardin Boustani and  Omid Tabiee and  Masoud Hashemi,  The Effects of Human Activity in Yasuj Area on the Health of Stream City.   journal   = {International Journal of Humanities and Social Sciences}, [online]. World Academy of Science, Engineering and Technology.
    February 2011, vol. 50(2). 114 - 118
    [viewed 28 January 2022]. Available from: https://publications.waset.org/pdf/10210.