TY  - BOOK
AU  - Koontz, Harold; O' donnell, Cyril
TI  - Management: A system and contingency analysis of managerial function
U1  - KOO-M6 
PY  - 1976///
CY  -  New Delhi
PB  - McGraw-Hill Kogakusha Ltd.
KW  - Executive management
ER  -