ABOU-ELATA , M.O.;HUSSIEN, M.L.2019-04-192019-04-191303-5991http://hdl.handle.net/20.500.12575/60867https://doi.org/10.1501/Commua1_0000000248THE PROBABILITY IN THE ENTIRE SYSTEM OF SERIES OUEUES AND THE MEASURES OF EFFECTIVENESS005013