IJSO 2019 at Qatar

16th International Junior Olympiad was held in Qatar

IJSO 2018 at Botswana

15th International Junior Olympiad was held in Botswana

IJSO 2017 at Netherland

14thInternational Junior Olympiad was held in Netherland

IJSO 2016 at Indonesia

13th International Junior Olympiad was held in Indonesia

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