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Official site of the 40th IChO, 2008

Official site of the 39th IChO, 2007

Official site of the 38th IChO, 2006

Official site of the 37th IChO, 2005

Official site of the 36th IChO, 2004

Official site of the 35th IChO, 2003

Official site of the International Chemistry Olympiad International Information Center Masalah persediaan, peperiksaan akhir, dan peperiksaan teori dan amali dari setiap pertandingan boleh dilihat pada tapak web IChO berkenaan.

International Chemistry Olympiad di BBC

The International Chemistry Olympiad di International Union of Pure and Applied Chemistry.