International Mathematical Olympiad

• Official IMO website: http://www.imo-official.org
• Page on IMO2012: http://www.imo-official.org/year_info.aspx?year=2012
• IMO 2011: https://www.imo2011.nl/
• IMO 2010: http://www.imo2010org.kz
• IMO 2009: http://www.imo2009.de
• IMO 2008: http://www.imo-2008.es
• IMO 1997 (Argentina): http://www.oma.org.ar/imo97/index_en.html

Argentina

• Argentina (Ministry of Tourism): http://www.turismo.gov.ar/
• Mar del Plata: http://www.turismomardelplata.gov.ar/