You can either download the .ggb file alone or the complete webpage for students with tasks.
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Birgit Lachner 10 September 2015 - 09:35
15 July 2019 - 12:20 33 resources — MrsDuerr
8 November 2018 - 07:40 25 resources — Birgit Lachner
11 April 2016 - 10:15 14 resources — leucotea
11 May 2019 - 09:31 33 resources — Birgit Lachner
21 February 2016 - 12:59 4 resources — Christian Conradi