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| 020 | _a9971-905-40-x | ||
| 082 | 0 | 0 | _a371. 33 tra |
| 100 | 1 | _a"timmers, shanon . " | |
| 245 | 1 | 0 |
_athe use of media for distance education: _b/ _c shanon.. timmers |
| 250 | _a1 ed. | ||
| 260 |
_auk : _beamic publisher _c1990. |
||
| 300 |
_a"ix, 193p.; _c27 cm." |
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| 504 | _a | ||
| 650 | 0 |
_a _x |
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| 999 |
_c18698 _d18698 |
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