| 000 | 00606nam a2200217 a 4500 | ||
|---|---|---|---|
| 005 | 20210219152933.0 | ||
| 008 | 991125n 000 0 u | ||
| 035 | _aUPN01000067688 | ||
| 100 | _aSlavin, Robert | ||
| 222 | _aCONTEMPORARY EDUCATION | ||
| 245 | _aClass size and student achievement : is smaller better? | ||
| 300 | _a6-12 | ||
| 362 | _a62, No. 1, 1990 | ||
| 505 | _aEnero 1992 | ||
| 653 | 0 | _aCONDICIONES PARA LA ENSE\197ANZA | |
| 653 | 0 | _aDIMENSION DE LA CLASE | |
| 653 | 0 | _aRENDIMIENTO ACADEMICO | |
| 653 | 0 | _aTEACHING STUDENT RATIO | |
| 904 |
_aAC _b005499 |
||
| 905 | _aArticulo | ||
| 999 |
_c64141 _d64141 |
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