You can either download the .ggb file alone or the complete webpage for students with tasks.
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Anthony OR 柯志明 8 September 2011 - 05:59
13 April 2018 - 12:42 8 resources — SAVASORHAN
14 October 2019 - 10:27 11 resources — Birgit Lachner
16 November 2015 - 11:34 52 resources — johnsonm2345