1, professional industry website or statistical website (yearbook). Mainly according to the theme of the relevant professional industry websites to obtain data, while paying attention to recording various data sources.

2. Relevant news reports or academic documents are used as data sources. But the latest data needs to be sorted out.

3. The economic data of listed companies' annual reports or municipal government portals are relatively macro-accurate. ?

4, the corresponding internal personnel to provide. Through interviews, questionnaires and operational data collection.

Information:

Thesis is a Chinese word, and its pinyin is lùn wén, which is a common word in classical literature and refers to conversation or exchange of ideas. Nowadays, papers are often used to refer to articles that conduct research in various academic fields and describe academic research results, which are referred to as papers for short.

It is not only a means to discuss problems in academic research, but also a tool to describe academic research results in academic exchanges. Including academic papers, graduation papers, dissertations, scientific papers, achievement papers and so on.