TY  - BOOK
AU  - Williamson, Bobette Hayes
TI  - Supervision: the ASTD trainer's sourcebook
SN  - 9780070534377
U1  - 371.1 
PY  - 1996///
CY  - New York
PB  - ; Mcgraw-Hill Book
KW  - Education
KW  - Supervision
ER  -