1. Academic databases: such as JSTOR, Springer, Elsevier, Wiley, etc. These databases contain a large number of academic journals, conference papers, monographs and so on. , and are the main ways to obtain foreign language documents. Some databases require paid subscriptions, but many university libraries provide free access.
2.2.GoogleScholar:Google: The Google academic search engine launched by Google can search a large number of academic papers, patents, meeting records, etc. The advantage of GoogleScholar is its wide coverage and fast update speed, but the disadvantage is that the quality of search results is uneven.
3.WebofScience: A citation database launched by ClarivateAnalytics, which mainly includes academic journals and discussion papers in the fields of science, social science and art. WebofScience is characterized by its powerful citation analysis function, which can help researchers understand the influence and relevance of documents.
Scopus: Citation database launched by Elsevier Company, mainly including academic journals and discussion papers in the fields of science, social science and health science. Scopus is characterized by its powerful citation analysis function, which can help researchers understand the influence and relevance of documents.
5.PubMed: The biomedical literature database launched by the National Library of Medicine (NLM) mainly includes academic journals and conference papers in the fields of life science and biomedicine. PubMed is characterized by its professional content and is suitable for scholars engaged in biomedical research.
6. Preprint servers: such as arXiv, bioRxiv, SSRN, etc. These servers contain academic papers submitted by researchers without peer review. The advantage of preprint server is that it can be updated quickly, but the disadvantage is that the reliability and quality of content are relatively low.
7. Library catalogue: Many libraries have online catalogue systems, which can be searched by keywords, authors, publishers and other information. The disadvantage of library catalogue is that the retrieval scope is limited and full-text resources may not be found.