科學中心
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Sci-Hub is a website that provides free access to millions of research papers and books,
類別： 教育
Standard Ebooks
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The Standard Ebooks project is a volunteer driven, not-for-profit effort to produce a
Project Gutenberg
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Project Gutenberg (PG) is a volunteer effort to digitize and archive cultural works, to
Marble
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Marble is a virtual globe application which allows the user to choose among the Earth, the
ShareStarter.org
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ShareStarter.org is the site for the proposed Lending Library Alliance (LLA). The LLA promotes
ihavenotv.com
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伊文托夫正在制作組 (質素好) 嘅紀錄片。
私隱工具
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You are being watched. Private and state-sponsored organizations are monitoring and recording
汗學院
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Khan Academy is an American non-profit educational organization created in 2008 by Salman Khan,
World Digital Library
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The World Digital Library (WDL) is an international digital library operated by UNESCO and the
PLOS One
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PLOS One (stylized PLOS ONE, and formerly PLoS ONE) is a peer-reviewed open access scientific