Elshafei, A. (1969). A Multi-Channel Queuing Model A Simulation Approach. The Institute of National Planning.
Citação norma ChicagoElshafei, Alwalid. A Multi-Channel Queuing Model A Simulation Approach. Cairo: The Institute of National Planning, 1969.
Citação norma MLAElshafei, Alwalid. A Multi-Channel Queuing Model A Simulation Approach. The Institute of National Planning, 1969.