The third category is general periodicals. Ordinary journals will not be excluded from the list, only plagiarism or serious problems in the logical structure of papers will be excluded.

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.