| 000 | 00689nam a2200229 a 4500 | ||
|---|---|---|---|
| 005 | 20210219153256.0 | ||
| 008 | 991125n 000 0 u | ||
| 035 | _aUPN01000088018 | ||
| 100 | _aHoffer, Thomas B. | ||
| 222 | _aEDUCATIONAL EVALUATION AND POLICY ANALYSIS | ||
| 245 | _aMiddle school ability grouping and student achievement in science and mathematics | ||
| 300 | _a205-227 | ||
| 362 | _a14, No. 3, 1992 | ||
| 505 | _aMarzo 1993 | ||
| 653 | 0 | _aAGRUPAMIENTO POR HABILIDADES | |
| 653 | 0 | _aCIENCIAS | |
| 653 | 0 | _aESCUELAS MEDIAS | |
| 653 | 0 | _aESTUDIANTES DE BACHILLERATO ELEMENTAL | |
| 653 | 0 | _aREALIZACION MATEMATICA | |
| 904 |
_aAC _b025829 |
||
| 905 | _aArticulo | ||
| 999 |
_c72814 _d72814 |
||