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|---|---|---|---|
| 008 | 230331s9999 xx 000 0 und d | ||
| 020 | _a0-8758-4759-5 | ||
| 100 |
_aJOHN, HAGEL III _9178274 |
||
| 245 | 0 | _aNET GAIN : EXPANDING MARKETS THROUGH VIRTUAL COMMUNITIES | |
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_cBK _w561 _xJohn Tresidder _y561 _zJohn Tresidder |
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| 999 |
_c748558 _d748557 |
||