@article{YJOR_2018_28_3_a2,
     author = {Bhupender Kumar Som and Sunny Seth},
     title = {M/M/c/N {Queuing} {Systems} {With} {Encouraged} {Arrivals,} {Reneging,} {Retention} and {Feedback} {Customers}},
     journal = {Yugoslav journal of operations research},
     pages = {333 - 344},
     publisher = {mathdoc},
     volume = {28},
     number = {3},
     year = {2018},
     url = {https://geodesic-test.mathdoc.fr/item/YJOR_2018_28_3_a2/}
}