You can either download the .ggb file alone or the complete webpage for students with tasks.
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Paula Anttila — 19 November 2013 - 09:51
6 October 2016 - 13:56 7 resources — elli.marjanen
21 September 2016 - 07:27 9 resources — juha-matti.neuvonen
27 December 2018 - 15:36 11 resources — PAnttila
