TY  - BOOK
AU  - Certo,Samuel
TI  - Supervision: concepts and skill-building 
SN  - 0071116923
AV  - HF5549.12  .C47 2006
PY  - 2006///
CY  - Boston
PB  - McGraw-Hill
KW  - Supervision of employees
KW  - Personnel management
ER  -