A. Drigas, S. Kouremenos, J. Vrettaros, D. Kouremenos and L. Koukianakis, Intelligent tools in business to business training, In Proceedings of International conference on New Horizons in Industry and Education, Santorini, Greece, August, volume 28, (Pages: 29), 2003.
Athanasios S. Drigas, John Vrettaros, L. Stavrou and D. Kouremenos, E-learning Environment for Deaf People in the E-commerce and New Technologies Sector., In WSEAS Transactions on Information Science and Applications, volume 1, (Pages: 1189–1196), 2004.
Drigas A.S., Tagoulis A., Kyragianni P., Nikolopoulos P., Kalomoirakis D., Perantonis S., Kouremenos D., Emmanouilidis CH. and Vrettaros J., An e-Learning platform for self-paced learning for Greek Paleography, In WSEAS Transactions on Advances in Engineering Education, WSEAS, volume 2, (Pages: 251-258), 2005.
A.S. Drigas, A. Tagoulis, P.Kyragianni, P. Nikolopoulos, D. Kalomoirakis, S.J. Perantonis, D. Kouremenos, CH. Emmanouilidis, J. Vrettaros, An e-learning platform for multiform and interactive education of scholars in Greek Paleography, In 5th International WSEAS Conference on Distance Learning and Web Engineering, Corfu, Greece, August 23-25, 2005.
Stavroula-Evita Fotinea, Eleni Efthimiou and Dimitris Kouremenos, Stavroula-Evita Fotinea and Eleni Efthimiou and Dimitris Kouremenos, In Proceedings of the HERCMA-2005 Conference (The 7th Hellenic European Conference on Computer Mathematics and its Applications), Athens, 2005.