• XVII IPO 2009 in Helsinki
  • Award Essays
• XVI IPO 2008
  • Award Essays
• XV IPO 2007 in Antalya
  • Award Essays
• XIV IPO 2006 in Cosenza
  • Award Essays
• XIII IPO 2005 in Warsaw
  • Award Essays
• XII IPO 2004 in Seoul
  • Award Essays
• XI IPO 2003 in Buenos Aires
• X IPO 2002 in Tokyo