Un nivel umbral /
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| Main Author: | |
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| Format: | Book |
| Language: | Spanish |
| Published: |
Estrasburgo :
Consejo para la Cooperacion Cultural del Consejo de Europa,
1979.
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| Subjects: |
| Item Description: | Based on: The threshold level in a European unit/credit system for modern language learning by adults / by J. A. van Ek. |
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| Physical Description: | xiii, 120 p. ; 30 cm. |
| Bibliography: | Bibliography: p. 119-120. |