S. Pesina and  T. Solonchak ,  The Image as an Initial Element of the Cognitive Understanding of Words.   journal   = {International Journal of Cognitive and Language Sciences}, [online]. World Academy of Science, Engineering and Technology.
    June 2014, vol. 90(6). 1906 - 1911
    [viewed 28 September 2020]. Available from: https://publications.waset.org/pdf/9998622.