openaccesslibrary网站简单爬取
现在大部分杂志主要有以下两种方式收取费用:第一种是open access,也
1.google scholar2.open access library3.sciencedirect4.
救命这5个网站帮你实现文献自由60
aijr launches open access social science journal
Tips:Do Not Provide
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