TY  - BOOK
AU  - Certo, Samuel C
TI  - Supervision : concepts and skill-building
SN  - 9780073381510
SN  - 200901649
U1  - 658.302 CER 
PY  - 2010///
CY  - New York
PB  - McGraw-Hill Irwin
KW  - Supervision of employees
N1  - Includes bibliographical references and index
ER  -