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|---|---|---|---|
| 999 |
_c197049 _d197049 |
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| 003 | LDD | ||
| 005 | 20220211155359.0 | ||
| 008 | 220211b ||||| |||| 00| 0 eng d | ||
| 040 | _aLDD | ||
| 245 | _a American Journal of distance education | ||
| 260 |
_aILLINOIS _bamerican centre the Stndy _c1995 |
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| 300 | _aV.9(1-3) | ||
| 942 |
_2ddc _cJ |
||