TY  - BOOK
AU  - Koontz,Harold
AU  - Weihrich,Heinz
TI  - Essentials of management
SN  - 0 07 100776 8
U1  - 658.4 
PY  - 2015///
CY  - New York
PB  - Mc Graw-Hill
KW  - Management functions
KW  - Skills and management levels
KW  - Strategic planning process model
KW  - System approach to management
KW  - Business portfolio matrix
ER  -