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Scientific Research Publishing is an academic publisher with more than 200 open access journal in the areas of science, technology and medicine. It also publishes academic books and conference proceedings.

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库问搜索免费提供超过千万开源学术论文资源检索和下载，涵盖宗教哲学、社会科学、政治法律、军事经济、文化教育、文学艺术、历史地理、IT信息、自然科学、生物医学、工业农业、航空航天等各大领域。

More than 300 mio. scientfic documents from more than 10.500 content providers. BASE is one of the world's most voluminous search engines for academic web resources.

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DeepDyve is the easiest way to get instant access to the academic journals you need.

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Search the world's information, including webpages, images, videos and more. Google has many special features to help you find exactly what you're looking for.

CTF Wiki

云投稿免费文献服务区是你最大的选择。

This website is for sale! academicshare.cn is your first and best source for all of the information you’re looking for. From general topics to more of what you would expect to find here, academicshare.cn has it all. We hope you find what you are searching for!

致力于成为国内领先的科研与学术资源导航平台，让科研工作更简单、更有效率。内容专业，信息准确，更新及时。

ScienceDirect is the world's leading source for scientific, technical, and medical research. Explore journals, books and articles.

爱学术是一家专业的学术文献分享平台，覆盖各个行业期刊论文，学位论文，会议论文，标准，专利等各类学术资源，是国内最大的学术文献交流中心和论文资源免费下载网站。

文献小镇是中国版的sci-hub，方便您下载国外文献，是专为科研人员服务的文献下载网站！