Izsledvane na biznes-sektora v Bălgarija, fevruari-mart 2003 (Centăr za izsledvane na demokracijata, 2003)
Between February 24 and March 24, 2003 the sociological agency Vitosha Research conducted a survey on corruption among the representatives of business organizations in Bulgaria. Representatives of 447 companies and organizations in the country were interviewed employing the method of personal standardized interview