TY  - BOOK
AU  - Koontz, Harold 
AU  - O'Donnell, Cyrill 
AU  - Weihrich, Heinz 
TI  - Essentials of Management 
SN  - 0-07-Y66498-6
U1  - 658 
PY  - 1986///
CY  - New York 
PB  - McGraw-Hill 
KW  - Management
ER  -