TY - BOOK T1 - Contemporary research on teacher effectiveness. A2 - Ellena, William J. A2 - Biddle, Bruce J. LA - English PP - New York PB - Holt, Rinehart and Winston YR - 1964 UL - https://tuklas.up.edu.ph/Record/UP-8027390931313659437 OP - 352 NO - Sponsored by American Association of School Administrators, National School Boards Association [and] the Dept. of Classroom Teachers of the National Education Association. CN - LB1775 C65 1964 KW - Teaching : Addresses, essays, lectures. KW - Teachers : Rating of : Addresses, essays, lectures. ER -