TY  - BOOK
AU  - Samuel C. Certo 
TI  - Supervision: concepts and skill-building 
SN  - 9781260092950
U1  - REF.658.3 C33 
PY  - 2019///
CY  - New York, New York
PB  - McGraw Hill Education
KW  -  Personnel Supervision
KW  - Supervision of employees
ER  -