AU  - Drucker, Peter F.
TI  - Management challenge for the 21st century
SN  - 0887309984
U1  - 658.21 DRU 
PY  - 1999///
CY  - USA
PB  - Harper Business
KW  - Management -- Forecasting
KW  - Yönetim - Tahmin
KW  - Knowledge management
KW  - Bilgi yönetimi
N1  - Includes index (199-207 p.)
ER  -