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更新日期：2023-9-28 01:00 网站价值：0元 点击次数：74
DOAJ is a unique and extensive index of diverse open access journals from around the world, driven by a growing community, committed to ensuring quality content is freely available online for everyone ...
更新日期：2023-9-13 00:15 网站价值：0元 点击次数：80
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 proceed ...
更新日期：2023-8-27 14:51 网站价值：0元 点击次数：83
