TY  - GEN
AU  - KOONTZ, H. 
AU  - WEIHRICH, H.
TI  - Essentials Of Management, 
SN  - 13: 978-0-07-062030-8
U1  - 658 KOO. 
PY  - 2008///
CY  - New York
PB  - Mc Graw Hill Irwin Education
ER  -