WASET
    G. A. Gevorgyan and  K. A. Ghazaryan and  T. H. Derdzyan,  Heavy Metal Pollution of the Soils around the Mining Area near Shamlugh Town (Armenia) and Related Risks to the Environment.   journal   = {International Journal of Geological and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2015, vol. 102(6). 734 - 740
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10001755.