TY  - BOOK
AU  - Certo,Samuel C.
TI  - Supervision: concepts and skill-building 
SN  - 9780078029189 (pbk.)
PY  - 2013///
CY  - New York
PB  - McGraw-Hill Irwin
KW  - Supervision of employees
N1  - Includes bibliographical references and index
ER  -