| 000 | 00511nam a2200193 a 4500 | ||
|---|---|---|---|
| 005 | 20210219153018.0 | ||
| 008 | 991125n 000 0 u | ||
| 035 | _aUPN01000073082 | ||
| 100 | _aYEVISH, Irving A. | ||
| 222 | _aTHE EDUCATIONAL FORUM | ||
| 245 | _aDo we need a longer school year? | ||
| 300 | _a193-195 | ||
| 362 | _a1971 Vol. 35, no. 2, jan. | ||
| 653 | 0 | _aCICLO ESCOLAR | |
| 653 | 0 | _aPLANEACION EDUCATIVA | |
| 653 | 0 | _aVACACIONES DE VERANO | |
| 904 |
_aAC _b010893 |
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| 905 | _aArticulo | ||
| 999 |
_c66223 _d66223 |
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