WASET
    Quanru Pan,  The Research and Application of M/M/1/N Queuing Model with Variable Input Rates, Variable Service Rates and Impatient Customers.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    March 2011, vol. 51(3). 336 - 339
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/15239.