Behrouz Fathi-Vajargah and  Sara Ghasemalipour,  Some Application of Random Fuzzy Queueing System Based On Fuzzy Simulation.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    March 2014, vol. 87(3). 583 - 586
    [viewed 08 December 2021]. Available from: https://publications.waset.org/pdf/9997864.