00421nam a2200121Ia 4500008004100000100002400041245008400065260003600149300000800185942000700193999001500200952008400215201217s9999    xx            000 0 und d  aThierauf, Robert J. 0aDecision support systems for effective planning & control:A case study approach  aEnglewood CliffsbPrentice Hall  a536  cBK  c7931d7931  00104070aCLd2020-12-17o658.40388 T435pPM03166r2020-12-17w2020-12-17yBK