K. A. Ghazaryan and  H. S. Movsesyan and  N. P. Ghazaryan,  Application of Various Methods for Evaluation of Heavy Metal Pollution in Soils around Agarak Copper-Molybdenum Mine Complex, Armenia.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2016, vol. 116(8). 883 - 888
    [viewed 18 October 2021]. Available from: https://publications.waset.org/pdf/10005242.