M. Donmez and  F. Akbal,  The Removal of As(V) from Drinking Waters by Coagulation Process using Iron Salts.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2011, vol. 54(6). 340 - 342
    [viewed 18 October 2019]. Available from: https://publications.waset.org/pdf/9916.