(International Standard Serial Number) is a unified number
assigned by the ISSN International Center in Paris, France.
It consists of a set
of 8-digit numbers preceded by the "ISSN" code. It is designed
to identify various newspapers, professional magazines,
pictorials, and periodicals. , regardless of its nature or
medium (paper or electronic version).
Standard Serial Number) is an international standard number for
serial publications based on the international standard ISO3297.
Its purpose is to ensure that every serial publication with
different titles and versions in the world has a complete The
world's unique code identifier. The International Organization
for Standardization (ISO) designates the ISSN International
Center as the management agency for ISSN number recording.
The barcode of a
journal consists of a main code (EAN 13-digit code) and a
2-digit additional code. The additional code is used to identify
the issue and publication time of the journal. . For example,
the additional codes for each issue of a monthly magazine are
01, 02,...12. Therefore, depending on how many issues a journal
publishes each year, how many barcodes should be applied for.
The ISSN barcode can
be said to be equivalent to the ID card of journals and
magazines, that is, one ISSN number only corresponds to one
journal title. If the journal title changes, you need to apply
for another journal title. If the journal is discontinued, the
ISSN number will not be used by other journals.