WASET
    Yurii Bloshko and  Oksana Olar,  The Analysis of Different Classes of Weighted Fuzzy  Petri Nets and Their Features.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    August 2022, vol. 188(8). 60 - 67
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10012615.