Lernskript PsychologieFranziska Schmithüsen, Fernand Anton, Dieter Ferring, Günter Krampen, Georges Steffgen · First published 2014Open the Tome
Psychologie in LuxemburgGeorges Steffgen, Gilles Michaux, Dieter Ferring · First published 2014Open the Tome
Cyberbullying through the new mediaPeter K. Smith, Georges Steffgen · First published 2013Open the Tome
Emotions and aggressive behaviorGeorges Steffgen, Mario Gollwitzer · First published 2007Open the Tome
