TY  - BOOK
AU  - Certo, Samuel C.
TI  - Supervision : : concepts and skill building / 
SN  - 9780071318365
AV  - HF5549.12 .C418 2013
PY  - 2013///
CY  - New York
PB  - McGraw Hill
KW  - Supervision of employees
N1  - Includes bibliographical references
ER  -