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| 035 | _aUPN01000083882 | ||
| 100 | 1 | _aD'Iacheko, V. | |
| 222 | _aSOVIET EDUCATION | ||
| 245 | _aIs it necessary to study a foreign language in school | ||
| 300 | _a77-88 | ||
| 362 | 0 | _a1991 Vol. 33, no. 7 | |
| 653 | 0 | _aBILINGÜISMO | |
| 653 | 0 | _aLENGUA EXTRANJERA | |
| 653 | 0 | _aENSEÑANZA | |
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| 905 | _aArticulo | ||
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