TY  - BOOK
AU  - Sherry L. Willis
AU  -  Samuel S. Dubin, 
TI  - Maintaining professional competence
SN  - 1-55542-227-6
U1  - 650.14 
PY  - 1990///
CY  - Sam Francisco
PB  - Jossey-Bass Publishers
N1  - Sherry L. Willis & Samuel S. Dubin: Maintaining professional competence.  Sam Francisco.  Jossey-Bass Publishers, 1990. 1-55542-227-6--(650.14WIL)
ER  -