Evaluation of Tip-Activated and Push-Button Infrared Pens for Interactive Whiteboards. - Dimitrios Kravvaris; Eleni Thanou; Konstantinos Chorianopoulos (Panhellenic Conference on Informatics, 2011)

Success Is Hidden in the Students' Data. - Dimitrios Kravvaris; Katia Lida Kermanidis; Eleni Thanou (AIAI (2), 2012)