TY  - BOOK
AU  - Certo,Samuel C.
TI  - Supervision: concepts and skill building 
SN  - 0072284048
AV  - HF5549.12 .C42
PY  - 2003///
CY  - Illinois
PB  - Irwin
KW  - Supervision of employees
N1  - Includes index
ER  -