Sofiâ : Zveno Informacionno osigurâvane na NIS, 2011-
Europe and North America
semiannual (2 numbers a year)
If you wish to provide an update or suggest a correction, please send us a message.
Note: the ISSN identifies serials and other continuing resources: journals, being scholarly or not, but also newspapers, magazines, annual reports, monographic series, websites and databases... Like the other ISO identifiers, the ISSN does not provide any guarantee as to the content of the resources identified, or any evaluation of their content, and does not provide evidence of their validity
Horizonti (Sofiâ. 2011)
Хоризонти (София. 2011)
Horizonti (Sofiâ, 2011)