The data for writing papers generally comes from experiments or other practices. Without this experience, the data may not be so objective and true. The lack of data sources in the paper means the lack of experimental or actual data.

What are the data sources of graduation thesis?

First, the above data are accurate data obtained through authoritative paper websites such as HowNet, Wan Fang Data and China Scientific Papers Online.

The second is to search your own summary through the internet.

The third is to investigate the actual data of various industries and companies through internships and collect them through their own calculations.