You can either download the .ggb file alone or the complete webpage for students with tasks.
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Johann Weilharter — March 18, 2015 - 4:03 PM
July 26, 2015 - 10:03 PM 6 resources — Langwieser
May 20, 2017 - 4:19 PM 23 resources — JohannWeilharter
