00424nam a2200145Ia 450000500170000000800410001703700130005804000200007104100130009108400170010410000160012124500600013726000720019730000090026920250326140540.0250326s9999    xx            000 0 und d  aTextbook  aFMSLbengcFMSL  aeng2eng  aX:8 N9qFMSL  aDrucker P F 0aManagement challenges for the 21st CenturycDrucker P F  aUnited KingdombUnited Kingdom, Oxford, Butterworth Heinemannc1999  a205p