161![](https://www.pdfsearch.io/img/6845a5f50316787f16fddab876659b2b.jpg) | Add to Reading ListSource URL: eprints.nbu.bgLanguage: English - Date: 2010-06-03 05:52:40
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162![](/pdf-icon.png) | Add to Reading ListSource URL: eprints.nbu.bgLanguage: German - Date: 2011-08-16 05:50:01
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163![](https://www.pdfsearch.io/img/a6447b076065ee002d2603f2a728710b.jpg) | Add to Reading ListSource URL: e-edu.nbu.bgLanguage: English - Date: 2010-11-27 05:58:21
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164![](/pdf-icon.png) | Add to Reading ListSource URL: ebox.nbu.bgLanguage: Vietnamese - Date: 2012-05-15 02:58:54
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165![](https://www.pdfsearch.io/img/a974201a3ac1dcebe74bd03c85b88bb7.jpg) | Add to Reading ListSource URL: eprints.nbu.bgLanguage: Bulgarian - Date: 2010-06-03 05:52:39
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166![](/pdf-icon.png) | Add to Reading ListSource URL: eprints.nbu.bgLanguage: Bulgarian - Date: 2010-06-03 06:10:08
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167![](https://www.pdfsearch.io/img/f16c8d58455b868a55673f0c20b2a549.jpg) | Add to Reading ListSource URL: eprints.nbu.bgLanguage: Bulgarian - Date: 2010-06-03 06:08:58
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