sciencedirect數據庫
ScienceDirect is the world\'s leading source for scientific, technical, and medical research. Explore journals, books and articles.www.sciencedirect.com
www.sciencedirect.com - 2020-06-24 - 收藏-
Multilingual Books
Multilingual Books has the best in language materials in over 100 languages! We carry books, CDs, DVDs, video, software, courses and more. We ship anywhere!
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IGI Global
International Publisher of Progressive Academic Research Books and Journals IGI Global: International Publisher of Progressive Academic Research Books and Journals
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Library of Congress
The Library of Congress. The Library of Congress is the nation\'s oldest federal cultural institution, and it serves as the research arm of Congress. It is also the largest library in the world, with more than 120 million items. The collections include books, sound recordings, motion pictures, photo
www.loc.gov - 2020-06-20 - 收藏 -
腐書網
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書生商貿平臺
書生商貿(www.booksir.cn)是互聯網領先的b2b電子商務平臺,匯聚海量b2b行業訊息,包含最全的企業黃頁,最新的動態資訊,24小時更新供求信息,是中小企業免費發布供求信息...www.booksir.cn
www.booksir.cn - 2020-05-16 - 收藏 -
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快眼看書迷-新版快眼看書
快眼看書迷是新版快眼看書，從最多的來源集合最全的小說保持最快的更新。我們分分秒秒在更新。現在冒用我站名稱的李鬼很多，我們怕被假貨砸招牌，假貨怕讀者的比較。
www.booksky.me - 2020-04-24 - 收藏 -
中國建筑圖書網
中國建筑圖書網、中國交通圖書網、中國電力圖書網、中國水利圖書網、中國標準圖書網www.buildingbooks.com.cn
www.buildingbooks.com.cn - 2020-04-24 - 收藏 -
八聯網
27年專注于法律圖書，致力于為法律人提供最優質的服務。平價銷售司法考試、法學理論、司法實務、律師業務、大眾法律知識等種類的正版圖書。
www.lawbookstore.com.cn - 2020-04-24 - 收藏