You can either download the .ggb file alone or the complete webpage for students with tasks.
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Barbara Lichtenegger October 14, 2013 - 5:25 PM
November 19, 2019 - 7:47 PM 19 resources — SilkeFriedrich
April 19, 2018 - 10:06 PM 24 resources — SAVASORHAN
March 29, 2020 - 10:52 AM 26 resources — Christian Conradi