You can either download the .ggb file alone or the complete webpage for students with tasks.
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Petra Rößlhumer December 3, 2015 - 8:48 AM
December 10, 2015 - 9:56 AM 23 resources — Petra Rößlhumer
December 7, 2015 - 8:13 AM 21 resources — Lichtenegger