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_a372.3, VRA _qFEDL |
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_aVrana Ralph S _9768790 |
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| 245 | 0 | _aJunior high school science activities | |
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_aWest Nyack _bParker Publishing Company _c1969 |
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| 300 | _ax,213p | ||
| 650 | _aTeaching Teachnique | ||
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_cTEXL _h372.3, VRA |
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