TY  - BOOK
AU  -  Certo, Samuel C
TI  - Supervision : concepts and skill-building
SN  - 0073405000
U1  - 658.322 
PY  - 2008///
CY  - Boston
PB  -  McGraw-Hill/Irwin
KW  - Management
KW  - Supervision of employees
ER  -