Ernesto William De Luca

Otto von Guericke University Magdeburg, Germany
ernesto.deluca@ovgu.de

Leibniz Institute for Educational Media | Georg Eckert Institute, Brunswick, Germany
deluca@gei.de

Erasmo Purificato

Otto von Guericke University Magdeburg, Germany
erasmo.purificato@ovgu.de

Leibniz Institute for Educational Media | Georg Eckert Institute, Brunswick, Germany
erasmo.purificato@gei.de

Ludovico Boratto

University of Cagliari, Italy
ludovico.boratto@acm.org

Stefano Marrone

University of Naples Federico II, Italy
stefano.marrone@unina.it

Carlo Sansone

University of Naples Federico II, Italy
carlo.sansone@unina.it