| U.S. relations with Chile |
| 您可在此獲得全文 US Government Documents |
| Available from 2012 |
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| U.S. relations with China |
| 您可在此獲得全文 US Government Documents |
| Available from 2012 |
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| U.S. relations with Colombia. |
| 您可在此獲得全文 US Government Documents |
| Available from 2012 |
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| U.S. relations with Comoros |
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| Available from 2012 |
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| U.S. relations with Democratic Republic of the Congo |
| 您可在此獲得全文 US Government Documents |
| Available from 2012 |
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| U.S. relations with Estonia |
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| Available from 2012 |
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| U.S. relations with Republic of the Congo |
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| Available from 2012 |
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| U.S. relations with the Bahamas |
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| Available from 2014 |
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| U.S. timber production, trade, consumption, and price statistics |
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| U.S. trade and investment with sub-Saharan Africa ... annual report [1945-3493] |
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| U.S. Virgin Islands' forests (Online) [2378-9891] |
| 您可在此獲得全文 US Government Documents |
| Available from 2004 |
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| Ubiquitous Computing and Communication Journal [1994-4608] |
| 您可在此獲得全文 Research Library |
| Available from 2012/01/01 截止日期(包含) 2013/05/31 |
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| Ubiquitous Learning: An International Journal [1835-9795] |
| 您可在此獲得全文 Research Library |
| Available from 2009/01/01 |
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| Ubiquity proceedings [2631-5602] |
| 您可在此獲得全文 DOAJ Directory of Open Access Journals |
| Available from 2018 |
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| UC Maule [0717-2656] |
| 您可在此獲得全文 DOAJ Directory of Open Access Journals |
| Available from 2018 |
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| UC Merced Undergraduate Research Journal [2373-809X] |
| 您可在此獲得全文 DOAJ Directory of Open Access Journals |
| Available from 2013 |
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| UCEJ (Untirta Civic Education Journal) [2541-6693] |
| 您可在此獲得全文 DOAJ Directory of Open Access Journals |
| Available from 2016 |
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| Učenye Zapiski Kazanskogo Gosudarstvennogo Universiteta: Seriâ Estestvennye Nauki [1815-6169] |
| 您可在此獲得全文 DOAJ Directory of Open Access Journals |
| Available from 2005 截止日期(包含) 2017 |
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| Life Sciences: General and Others |
| Učënye Zapiski Kazanskogo Universiteta. Seriâ Estestvennye Nauki [2542-064X] |
| 您可在此獲得全文 DOAJ Directory of Open Access Journals |
| Available from 2011 |
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| Učënye Zapiski Kazanskogo Universiteta: Seriâ Fiziko-Matematičeskie Nauki [2541-7746] |
| 您可在此獲得全文 DOAJ Directory of Open Access Journals |
| Available from 2005 |
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