Naftemporiki, Athens, December 2001
Salzburg, October 2000
Naftemporiki, Athens, April 2000
Conference on Protection of Software in Greek Law, Athens, February 1988
Eurinfo 88, Athens, 1988
Contribution in “The Professional’s Guide to International Tax”, Sethawk Publishing Limited, London, 1994
Conference organized under the auspices of the European Commission, minutes published by Association of Societes Anonymes and Limited Liability Companies, 1991
Infosystem 1987, Thessaloniki, November 1987
Financial Times Business Information Ltd, London, 1987
Financial Times Business Information Ltd, London, 1987