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网站数据归档
FreeTechBooks
This site lists free online computer science, engineering and programming books, textbooks and lecture notes, all of which are legally and freely available over the Internet. Throughout this site, other terms are used to refer to a book, such as ebook, text, document, monogram or notes.
点击进入 - 2023-11-03 - 收藏
Free Computer Books
Links to Free Programming, Computer, Mathematics, Technical eBooks and Lecture Notes all over the World, Directory of online free programming, computer, engineering, mathematics, technical books, ebooks, lecture notes and tutorials. Very well categorized. Equipped with advanced search engines.
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Free-eBooks
Free-eBooks.net is the internet\'s #1 source for free eBook downloads, eBook resources & eBook authors. Read & download eBooks for Free: anytime!
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Accueil - ScholarVox Management
Cyberlibris ScholarVox est la première bibliothèque numérique communautaire dédiée aux institutions académiques, écoles de commerce et écoles d'ingénieurs. Elle sert dans plus de 10 pays des dizaines de milliers de membres abonnés, étudiants, professeurs, chercheurs, bibliothécaires, passionnés par l'économie, les sciences de gestion au sens large et les sciences de l'ingénieur.
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Ebooklobby官网
Free Computer Art Business & Investing ebooks. Thousands of free ebooks to choose from all are free.
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比菲尔德学术搜索引擎
超过3.4亿件科学文献来自超过11000免费来源。BASE是世界性大型搜搜引擎，存储来自互联网上免费的开放获取科学文献。BASE is one of the world\'s most voluminous search engines especially for academic web resources. BASE provides more than 340 million documents from more than 11,000 content providers. You can access the full texts of about 60% of the indexed documents for free (Open Access). BASE is operated by Bielefeld University Library.
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PDF SEARCH ENGINE - PDF,DOC,PPT,Ebook search ENGINE
FREE PDF SEARCH ENGINE. support all pdf,DOC,PPT,Ebook! free pdf download. You can search all kind of documents!
点击进入 - 2023-11-02 - 收藏
chemBlink官网
chemBlink provides a free database of chemicals from around the World, searchable for product identifications, CAS numbers, SDS, formulas, suppliers and more. Contact us today.
点击进入 - 2023-11-02 - 收藏