Acronym of شاپا

( شماره استاندارد بین‌المللی پیایندها ) Number international standard () or ISSN number the eight-digit complex individual is to specify a publication period, printed or electronic, goes to work. This standard by the International Organization for Standardization under the name ISO 3297 in 1975 to explain.

nowadays, the goal identification and easy storage access according to the various sources that continually release can find, such as normal or that of the multi-thread heterogeneous composition have been developed, and the continual release and have for continuous on the internet are available. These publications are the same traits printed. i.e. continually, and machine guns are released and continue indefinitely recover. ISSN of each Journal specific to that journal. Some magazines have two ISSN are that an ISSN relating to the electronic version of it, and ISSN or other version, copy it is, of course, the version, valid copy is more scientific if he is an ISSN listed. ISSN, copy mention. It should be noted that the ISSN consists of eight characters is that it's A “-” is placed, for example, ISSN e-journal, Insct Science number 7917-1744 is that this number be known. Of course, in some cases, the last digit of the that the Check digit could be called number is not, and instead the letter x is placed.

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