http://elib.ipa.government.bg:8080/xmlui/handle/123456789/44 Мрежи, телекомуникации, услуги Wed, 22 Jul 2026 09:31:47 GMT 2026-07-22T09:31:47Z http://localhost:80/xmlui/bitstream/id/1cc96d9a-bdef-4543-bcd5-51e50216cf28/ http://elib.ipa.government.bg:8080/xmlui/handle/123456789/44 http://elib.ipa.government.bg:8080/xmlui/handle/123456789/45 NetworkWorld България Ай Си Ти Медиа ЕООД Sun, 01 Jan 2017 00:00:00 GMT http://elib.ipa.government.bg:8080/xmlui/handle/123456789/45 2017-01-01T00:00:00Z