TY  - BOOK
AU  - Koontz, Harold
AU  - O'Donnell, Cyril
AU  - Weihrich, Heinz
TI  - Essentials of management
SN  - 0070355169
U1  - 658 
PY  - 1986///
CY  - New York
PB  - McGraw Hill Book Company
KW  - Management
ER  -