TY  - BOOK
AU  - Koontz, Harold
AU  - O'Donnell, Cyril
AU  - Weihrich, Heinz
TI  - Essentials of management
U1  - 658.4/KOO 
PY  - 1988///
CY  - New York
PB  - McGraw- Hill Book Company
KW  - COMMERCE
ER  -