TY  - GEN
AU  - Drucker, Peter Ferdinand
TI  - Management challenges for the 21st ( twenty first) century
SN  - 0887309984
U1  - 658 
PY  - 1999///
CY  - New York
PB  - HarperBusiness
KW  - EXECUTIVE MANAGEMENT
KW  - FORECASTING
KW  - MANAGEMENT
KW  - MANAGING CHANGE
ER  -