M. Chomczyńska,  Restoration of Biological Function of Degraded Soil via Chemical Method.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2011, vol. 59(11). 659 - 663
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/11103.