Concept of Freedom in Plato's Politeia
(Freedom and the State: Plato and the Classical Tradition 2012)
Plato on Wealth and Freedom
(The Ninth World Congress of International Society for Universal Dialogues: "Democratic Culture: Historical Reflections and Modern Transformations" 2012)
Plato on Culture and Freedom in the Age of Globalisation
(The 17th International Conference of Philosophy: The Philosophy of Culture 2005)
Logos between the lawgivers and the guardians in Plato's Republic
(The XIVth International Symposium of the Olympic Center for Philosophhy and Culture 2003)