TY  - BOOK
AU  - Ellena,William J.
AU  - Biddle,Bruce J.
ED  - American Association of School Administrators
TI  - Contemporary research on teacher effectiveness
U1  - 371.1 
PY  - 1964///
CY  - New York
PB  - Holt, Rinehart and Winston
KW  - Teaching
KW  - Teachers
KW  - Rating of
N1  - Sponsored by American Association of School Administrators, National School Boards Association and the Dept. of Classroom Teachers of the National Education Association; Bibliography: p. 316-342
ER  -