https://www.gallupinternational.bg/en/43505/national-comparative-survey/ 2020-08-20T10:40:22+00:00 monthly 0.6 https://www.gallupinternational.bg/en/43197/second-wave-of-global-polling-around-the-globe-worries-about-the-disease-and-poverty-support-for-the-authorities-same-in-bulgaria-with-some-important-specifics/ 2020-04-21T07:20:53+00:00 monthly 0.6 https://www.gallupinternational.bg/en/43127/second-express-opinion-poll-state-of-emergency/ 2020-04-22T09:09:44+00:00 monthly 0.6