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| 100 | _aBates, A.W. | ||
| 020 | _a0-312-68942-X | ||
| 365 | _b15.95 | ||
| 942 | _cBK | ||
| 654 | _a | ||
| 245 | _aThe role of technology in distance education | ||
| 260 |
_aLondon _bCroom Helm _c1984 |
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| 082 | _a374.26 | ||
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_bHb _c22.5 _a8231 |
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_c366811 _d366811 |
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| 041 | _aeng | ||