Useful Sources of Information
The International ISSN Centre
http://www.issn.org/en/node/85
Lursoft
http://www.lursoft.lv
Latvian Press Publishers
Association
http://www.lpia.lv
NOSP
http://www.nb.no/baser/english.html
GS1 Latvia
http://www.gs1lv.org/
The Register of Mass Media
http://www.ur.gov.lv/?t=3&a=38&v=lv
