Izsledvane na pazara na nedvižimi imoti v Bălgarija, Maj 2003 (Centăr za izsledvane na demokracijata, 2003)
In the period April 18- May 15, 2003 Vitosha Research conducted a marketing research study on the real estate market in Bulgaria. 1,077 respondents were interviewed face-to-face. The survey is representative of the country's adult population