Authors
Giovanni Fulantelli
Italian National Research Council, Institute for Educational Technologies. Via Ugo La Malfa 153, 90146 Palermo
Manuel Gentile
Italian National Research Council, Institute for Educational Technologies. Via Ugo La Malfa 153, 90146 Palermo
Davide Taibi
Italian National Research Council, Institute for Educational Technologies. Via Ugo La Malfa 153, 90146 Palermo
Mario Allegra
Italian National Research Council, Institute for Educational Technologies. Via Ugo La Malfa 153, 90146 Palermo
