TY - BOOK T1 - Contemporary research on teacher effectiveness B. J. Biddle. A1 - Biddle, Bruce Jesse 1928 A2 - Ellena, William J. LA - English PP - New York PB - Holt YR - 1964 UL - https://tuklas.up.edu.ph/Record/UP-99796217603664256 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 - LB 2838 B53 KW - Teaching. KW - Teachers, Rating of. ER -