WASET
    Petr Cernohorsky and  Jan Voracek,  Computational Modeling in Strategic Marketing.   journal   = {International Journal of Industrial and Systems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    December 2011, vol. 60(12). 1547 - 1555
    [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/10852.