00375nam a2200133Ia 4500008004100000020001800041040003800059100001900097245003900116250000800155260002400163300001700187653003700204211230s9999    xx            000 0 und d  a0-256-08373-8  cJayakar Knowledge Resource Centre  aTurban, Efraim 0aFundamentals of management science  a5th  bIrwinaBostonc1991  axiv,1010p p.  aManagement - mathematical models