TY  - GEN
AU  - Williamson, Bobette Hayes 
TI  - Supervision : the ASTD trainer's source book 
SN  - 0070534373
U1  - 658.3124 
PY  - 1996///
CY  - New York
PB  - McGraw-Hill
KW  - Education and training
KW  - General management
KW  - Elements of personnel management
ER  -