TY  - BOOK
AU  - Drucker, Peter F.
AU  - Drucker, Peter F.
TI  - Management challenges for the 21st century / : Peter F. Drucker.- 
SN  - 0 7506 4456 7
U1  - 658.406 DRU 22
PY  - 1999///
CY  - Oxford
PB  - Butterworth - Heineman
KW  - Management
N1  - Includes bibliographical references and index
ER  -