| BASE |
http://www.base-search.net/ |
| Library Genesis |
http://gen.lib.rus.ec/ |
| Cnpiec LINK service |
http://gen.lib.rus.ec/ |
| 万方数据库 |
http://www.wanfangdata.com.cn/index.html |
| 中国科技论文在线 |
http://www.paper.edu.cn/ |
| DOAJ |
https://doaj.org/ |
| OA 图书馆 |
http://www.oalib.com/ |
| 虫部落 |
http://www.chongbuluo.com/ |
| Scientific Research Publishing |
http://www.scirp.org/ |
| Socolar |
http://www.socolar.com/ |
| BookSC |
http://zh.booksc.org/ |
| 专利全文下载 |
http://www.paper.edu.cn/ |
| PubMed Cenral |
http://www.ncbi.nlm.nih.gov/pmc/ |
| PublicLibrary of Science |
https://www.plos.org/ |
| sci-hub |
https://sci-hub.st/ |
| XERFI |
http://www.xerfi.com/ |
