Transparency International Global Corruption Barometer: Ukraine has become more corrupt over the last two years, The Ukrainian Week (9 July 2013) Fighting Corruption In Ukraine: Ukrainian Style, Gorshenin Institute (July 3, 2011) National Integrity System Assessment, Ukraine 2011, TORO Creative Union – Transparency International Contact in Ukraine. pdf page 36.
Transparency International Global Corruption Barometer: Ukraine has become more corrupt over the last two years, Український тиждень (9 July 2013) Fighting Corruption In Ukraine: Ukrainian Style, Київський інститут проблем управління імені Горшеніна (July 3, 2011) National Integrity System Assessment, Ukraine 2011, TORO Creative Union — Transparency International Contact in Ukraine. pdf page 36.