WASET
    S. S. Mishra,  Optimum Performance Measures of Interdependent Queuing System with Controllable Arrival Rates.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    September 2009, vol. 33(9). 635 - 638
    [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/11575.