1. Search China HowNet official website on the webpage and enter the homepage of China HowNet.
2. Click Advanced Search on the right side of the interface to enter the advanced retrieval interface. The upper column is literature, periodicals, doctoral and master's theses, etc. The following are the search criteria entered.
3. Enter a subject. Take digital teaching as an example, input digital teaching after the theme, and change the above search literature into periodicals, then the only content retrieved is periodicals. If you need a doctoral thesis, just choose the literature.
4. By default, the source category is all journals, and the following journals are core journals or above. You can choose all of them, or you can choose according to the theme category. SCI (Science Citation Index), EI (Engineering Index), CSSCI (China Social Science Citation Index), CSCD—- (China Science Citation Database), select them and click the search below.
5. The search column will display the number of retrieved documents, 63 1, which is the core journals and above. You can download related content as needed.
6. You can also click on related articles according to the topic keyword prompts, which is more targeted than the overall view.