You can either download the .ggb file alone or the complete webpage for students with tasks.
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Sorin Borodi — July 23, 2013 - 8:15 PM
April 27, 2014 - 7:11 PM Sorin Borodi
January 30, 2015 - 10:32 PM Raul Enrique Escobar Caro
September 18, 2015 - 7:34 AM Georg Wengler
April 19, 2017 - 1:24 PM Cristina Chiusa
