X-Compiler: Yet Another Integrated Novice Programming Environment. - Georgios Evangelidis 001; Vassilios Dagdilelis; Maria Satratzemi; Vassilios Efopoulos (ICALT, 2001)

WIPE - A Model for a Web-Based Database-Driven Environment for Teaching Programming. - Vassilios Efopoulos; Georgios Evangelidis 001; Vassilios Dagdilelis; Theodore Kaskalis (ICALT, 2003)

DELYS: a novel microworld-based educational software for teaching computer science subjects. - Vassilios Dagdilelis; Georgios Evangelidis 001; Maya Satratzemi; Vassilios Efopoulos; Charalabos Zagouras (Comput. Educ., 2003)

WIPE - Pilot Testing and Comparative Evaluation. - Vassilios Efopoulos; Georgios Evangelidis 001; Vassilios Dagdilelis (ICALT, 2005)

WIPE: a programming environment for novices. - Vassilios Efopoulos; Vassilios Dagdilelis; Georgios Evangelidis 001; Maya Satratzemi (ITiCSE, 2005)

Διαδικτυακό περιβάλλον υποστηριζόμενο από σύστημα διαχείρισης βάσεων δεδομένων για την εισαγωγή στη διδασκαλία των αρχών του προγραμματισμού - Vassilios Efopoulos (2005)