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_aKoch, RIchard _eпърви автор _9342485 |
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_aKoch, RIchard _bK 66 |
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_aThe 80/20 Principle _bThe Secret to Achieving More with Less _cRIchard Koch. |
| 257 | _aBGR | ||
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_аNew York _c1998 |
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| 380 | _a3 | ||
| 852 | _aЦб 282138 | ||
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_aCR _c31.08.2016 _kВиолета_Тройчева |
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_aED _c31.08.2016 _kПенка_Димитрова |
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