@incollection{, FA1E3AF601B47A3A1AC46EAFCD174FDA , author={{O. C.Asogwa} and {C. M.Eze} and {M. T.Edeaja} and {Federal University Ndufu Alike Ikwo}}, journal={{Global Journal of Science Frontier Research}}, journal={{GJSFR}}2249-46260975-589610.34257/GJSFR, address={Cambridge, United States}, publisher={Global Journals Organisation}1925158 } @incollection{b0, , title={{Market Heterogeneity and Local Capacity Decisions in Services}} , author={{ DCampbell } and { FFrei }} , journal={{Manufacturing & Service Operations Management Research}} 5 1 , year={2010} } @book{b1, , author={{ AKErlang }} , title={{The Theory of Probabilities and Telephone Conversations}} , year={1909} } @book{b2, , title={{Fundamental of Queuing Theory}} , author={{ DGross } and { CMHarris }} , year={1985} , publisher={John Wiley} 2 , address={New York} } @book{b3, , title={{Classification of Queuing Model}} , author={{ Kendall }} , year={1953} } @book{b4, , title={{Application of Queuing Models to Customers Management in the Banking System (A Case Study of United Bank for Africa}} , author={{ OdunukweAdaora }} , year={2013} }