ISSnTunnuksia
ISSnTunnuksia refers to the International Standard Serial Number, commonly known by its acronym ISSN. It is a unique eight-digit alphanumeric identifier that specifically identifies periodical publications, such as magazines, journals, and newspapers. The ISSN is managed by the ISSN International Centre and its network of National Centres. It is distinct from the ISBN (International Standard Book Number), which is used for books.
The primary purpose of an ISSN is to facilitate the identification and retrieval of serial publications. It
The ISSN system was established by the International Organization for Standardization (ISO) in 1971 and officially