WASET
    S. Pesina and  T. Solonchak,  The Sign in the Communication Process.   journal   = {International Journal of Cognitive and Language Sciences}, [online]. World Academy of Science, Engineering and Technology.
    June 2014, vol. 90(6). 1912 - 1920
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/9998623.