(The Sofia Echo, Sofia News Agency, Dnevnik.bg, Mediapool -- 22/04/10 - 23/04/10; BTA - 21/04/10; Eurobarometer)
(The Sofia Echo, Sofijska tiskovna agencija, Dnevnik.bg, Mediapool -- 22/04/10 - 23/04/10; BTA - 21/04/10; Eurobarometer)