First, comprehensive paper websites (ranked by website strength and website world ranking)

1, VIP information network recommendation index: ★★★★★

The website is sponsored by the Science and Technology Development Center of the Ministry of Education and has certain authority. The website provides tens of thousands of papers covering more than 50 disciplines such as natural science, finance, industry and medicine, and also provides a platform for publishing papers. Good prospects for development. At present, the website ranks 223444 in the world.

4. Paper web recommendation index: ★★★★★

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A channel in Sina.com does not provide papers by itself, but only provides the classification of paper websites, which is similar to the directory website of hao 123. Finally, I listed him, mainly to let everyone find an ideal paper through the above nine websites, and you can search through this website.