TY  - BOOK
AU  - Biddle,Bruce J.
AU  - Ellena,William J.
ED  - Holt, Rinehart and Winston 
TI  - Contemporary research on teacher effectiveness ; Bruce J. Biddle, William J. Ellena, editors
U1  - 371.102 23
PY  - 1964///.
CY  - New York: 
PB  - Holt, Rinehart and Winston, 
KW  - Teaching
KW  - Teachers
KW  - Rating of
N1  - Includes bibliography: p. 316-342 and index
ER  -