You can either download the .ggb file alone or the complete webpage for students with tasks.
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Jan Manders 7 February 2014 - 17:24
16 February 2015 - 19:24 20 resources — andn
16 February 2015 - 17:20 18 resources — andn
16 February 2015 - 17:15 20 resources — andn
16 February 2015 - 17:14 15 resources — andn
15 September 2014 - 20:16 21 resources — jan.manders