The ISSN (International Standard Serial Number) is a numeric code that constitutes a unique international identifier for each serial publication title. ISSN is defined by ISO 3297: 2017 - Information and Documentation. International Standard Serial Number ISSN, managed by ISSN International Centre. [+ info about ISSN: https://www.iso.org/]
The UPdigital Documentation and Information Unit manages ISSN allocation requests, being a completely free service for the U.Porto community.
Requests and questions about the ISSN assignment should be sent to the Documentation and Information Management Service of UPdigital [[email protected]].