You can either download the .ggb file alone or the complete webpage for students with tasks.
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Wolfgang Wengler — April 29, 2012 - 5:17 PM
May 23, 2015 - 7:08 AM 53 resources — hermann.betti
March 9, 2020 - 10:31 AM 48 resources — arcoggb
November 9, 2014 - 9:16 PM 52 resources — nmsgaspoltshofen
8 resources — Mat4U
February 7, 2015 - 7:01 PM 6 resources — Wengler
