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| 008 | 180712s9999 xx 000 0 und d | ||
| 020 | _a052129505X | ||
| 082 |
_a370.193 _bBOS _223 |
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| 100 | _aBOSSERT, Steven T. | ||
| 245 |
_aTasks and social relationships in classrooms _c/[by] Steven T.Bossert |
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| 260 |
_aCambridge _bCambridge University press _c1979 |
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| 300 | _axi, 119 p.- | ||
| 440 | _aThe arnold and caroline rose monograph series | ||
| 500 | _aIncludes references. | ||
| 650 | _aTeaching | ||
| 942 | _cR | ||