TY  - BOOK
AU  - Biddle, Bruce Jesse
AU  - Ellena, William J.
ED  - Sponsored by American Association of School Administrators. National School Boards Association....
TI  - Contemporary research on teacher effectiveness
U1  - 371.1 
PY  - 1964///
CY  - New York
PB  - Holt, Rinehart and Winston
KW  - Teaching
KW  - Teachers, Rating of
ER  -