WASET
    H. Izadbakhsh and  M.Hour Ali and  A. Amirkhani and  A. Montazeri and  M. Saberi,  Performance Assessment and Optimization of the After-Sale Networks.   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
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    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10302.