TY  - BOOK
AU  - GIBSON, Jane Whitney
AU  - 
TI  - Supervisory challenge: Principles and practices
SN  - 06752114841
U1  - 658.302 
PY  - 1990///
CY  - COLUMBUS
PB  - MERRILL
KW  - PERSONNEL - SUPERVISION
KW  - SUPERVISION
ER  -