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 08 May 2024]. Available from: https://publications.waset.org/pdf/10001755.