There are two main periodical numbers, one is domestic number: CN number, and the other is international number: ISSN number. CN serial number, also known as the serial number of domestic publications.
The status of periodicals is related to the development of a country's market economy. China's market economy is still in the primary stage, and the market is not mature enough. Related to this, the periodical market order is still chaotic, and there are many problems in the periodical market, which leads to the periodical market unable to effectively play the role of market mechanism.
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According to the definition of GB/T 77 14-20 15, the reference after the text refers to the relevant literature information resources cited for writing or editing papers and works.
According to the requirements of China Academic Journals (CD-ROM Edition) Retrieval and Evaluation Data Standard (Trial) and China Social Science Journals Arrangement Standard (Revised Edition), many publications distinguish between references and annotations, and define annotations as "words that further explain or supplement a certain content in a text", which are listed at the end of the article, separated from references or placed at the footer.
Baidu Encyclopedia-References
Baidu encyclopedia-periodical