You can either download the .ggb file alone or the complete webpage for students with tasks.
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ckoeppl 20 March 2014 - 08:03
15 January 2020 - 13:16 94 resources — a-geisensetter
23 July 2015 - 08:56 43 resources — JohannWeilharter
16 February 2020 - 11:05 97 resources — Christian Conradi