You can either download the .ggb file alone or the complete webpage for students with tasks.
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maurizio casali — March 23, 2013 - 5:31 PM
February 13, 2013 - 5:05 PM giovanna
May 4, 2014 - 7:19 PM P.Wernicki
March 28, 2015 - 1:46 PM dpdykman
May 30, 2017 - 8:24 AM Luigi Palermo
