WASET
    Marius Gheju and  Rodica Pode,  Removal of Hexavalent Chromium from Wastewater by Use of Scrap Iron.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2010, vol. 42(6). 194 - 199
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/700.