000 00267nam a2200109Ia 4500
100 _aDrucker P.F
245 _aManagement Challenges for the 21st Century
260 _c1999
_bButterworth Heinemann
_aOxford
300 _axii, 205p.
650 _aManagement
942 _cBK
999 _c81643
_d81643